Answer:
As heat is added to solid water, the temperature increases until it reaches 0 °C, the melting point. At this point, the phase change, added heat goes into changing the state from a solid to liquid. Only when this phase change is complete, the temperature can increase .
Solid → Liquid: Melting or fusion
Solid → Gas: Sublimation
Gas → Liquid: Condensation
Explanation:
What mass of glucose (C6H12O6) should be dissolved in 10. 0 kg of water to obtain a solution with a freezing point of -4. 2 ∘C?.
Answer:
4.1kg
Explanation:
I dont kwon but it was ok in the test
The mass of glucose dissolved in the solution is obtained as 4.734 Kg.
We know that;
ΔT = K m i
ΔT = Freezing point depression
K = freezing constant = 1.86 °C/m
m = molality of solution
i = Van't Hoff factor = 1 (molecular solution)
To find the freezing point depression;
Freezing point depression = Freezing point of pure solvent - Freezing point of solution
Since freezing point of water = 0°C
Freezing point depression = 0°C - (-4. 2 ∘C) = 4. 2 ∘C
The molality of the solution is obtained as follows;
m = ΔT/K i
m = 4. 2 ∘C/ 1.86 °C/m × 1
m = 2.63 m
Molality = number of moles/mass of solvent in Kg
Number of moles = mass/molar mass =
Molar mass of glucose = 180 g/mol
Let the mass of solute be m
2.63 = m/180/10
2.63 = m/1800
m = 2.63 × 1800
m = 4734 g or 4.734 Kg
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Dan bought x pounds of potatoes for $0. 85 per pound and y pounds of grapes for $1. 29 per pound. The total cost was less than $5. Which inequality represents his purchase? 1. 29x + 0. 85y < 5 1. 29x + 0. 85y > 5 0. 85x + 1. 29y > 5 0. 85x + 1. 29y < 5.
Answer:
0.85x + 1.29y < 5
Explanation:
Dillon shakes a bottle of oil and vinegar salad dressing. The dressing mixes temporarily, but does not stay mixed. What property of the ingredients makes them separate? the oil and vinegar have the same solubility. The oil and vinegar have different temperatures. The oil and vinegar have different chemical properties. The oil and vinegar have the same saturation.
Most times, some ingredient cannot be combined together. The property of the ingredients makes them separate is that the oil and vinegar have different chemical properties.
Note that even if you try very hard to shake, stir oil and vinegar together, they will separate.Solubility aimed to be the ability of one substance to dissolve in another. This is because vinegar and oil are made of very different types of molecules that are attracted to their own kind.
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Answer:
C: The oil and vinegar have different chemical properties.
Explanation:
i gotchu bro :)
When you make a dns query, where does your computer first check to find an ip address to name mapping?.
Answer:
in its local DNS cache
Explanation:
This cache stores this information that our computer has recently saved.
One of the challenges john roebling faced during the designing of the brooklyn bridge was.
Answer:
answer is B
making it tall enough for all ships to pass under it.
Explanation:
hope this helps!
Choose the best Spanish word to complete the sentence. ¿Dónde __________ Claudia? está es somos soy.
Answer: es
Explanation:
Answer:
Esta
Explanation:
Trust
Is 150% of a number greater than or less than the number?.
Answer:
Greater Than
Explanation:
Answer:
150% of a number is GREATER THAN the number. It is approximately 1.5 times the number
Explanation:
In triangle def, cg = (x + 5) units and dg = (3x - 2) units. [figure may not be drawn to sacle] what is dg? 12 units 17 units 34 units 51 units.
The length of the segment DG is 34 units
How to determine the length DG?The attached figure represents the missing information in the question
The point G is the centroid of the triangle.
This means that:
CG : DG = 1 : 2
Express as fraction
CG/DG = 1/2
Multiply both sides by 2
DG = 2 * CG
Substitute the given parameters:
3x - 2 = 2 *(x + 5)
Expand
3x - 2 = 2x + 10
Evaluate the like terms
x = 12
Recall that:
DG = 3x - 2
So, we have:
DG = 3 * 12 - 2
Evaluate
DG = 34
Hence, the length DG is 34 units
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Answer: the length of DG is 34 units
Explanation: cause im smart :)
What is the measure of angle coa? 140° 150° 160° 170°.
Answer:
160
Explanation:
edge 2021
The measure of angle COA will be 160°. Option C is correct. Center angle theorem is the base of the given problem.
What is the definition of geometry?It is concerned with the geometry, region, and density of various 2D and 3D shapes.
The measure of an angle formed by an arc of a circle with any point on the circumference of that circle is half the angle formed by that arc at the center of the circle.
The angle formed by arc AC at the center, will be twice as large. Therefore,
∠AOC = 2∠ABC
∠AOC = 2(80°)
∠AOC = 160°
As a result, the center angle AOC is 160 degrees.
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Predict the missing component of each reaction. 2Na Cl2 mc001-1. Jpg ? 2NaCl 2NaCl2 Na2Cl 2NaO Cl2 2MgO mc002-1. Jpg ? 2Mg H2O 2Mg O2 MgOH O2 MgO O2.
Answer:
2Na + Cl2 → 2NaCl
2MgO → 2Mg + O2
Explanation:
Edge Answer :)
Answer:
2NaCl and 2Mg + O2
Explanation:
A and B got it right on edg :)
What is a common event due to transform plate movement at the San Andreas Fault Zone? Question 3 options: mountain formation no events at all seafloor spreading earthquakes.
Answer:
earthquakes
Explanation:
Did the quiz
Hope this helps
Enjoy your day!
There is a diverging boundary formed when two tectonic plates separate. Earthquakes regularly happen at these boundaries when magma (molten rock, for San Andreas Fault Zone.
What is transform plate movement?Rises from the Earth's mantle to the surface and solidifies to build a new oceanic crust. The Mid-Atlantic Ridge, for instance, has divergent plate boundaries.
When the motion is largely horizontal, a fault at a plate boundary is referred to as a transform fault or transform boundary.
When it merges with another plate boundary, which might be a spreading ridge, a subduction zone, or another transform, it ends abruptly.
Therefore, San Andreas Fault Zone has to transform plate movement due to earthquakes.
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Which theorem explains why the circumcenter is equidistant.
Answer:
static code analysis in the cloud
How does soto build a central idea of his story in the excerpt? by showing how carolyn’s family lives in a way that is strange to him, soto supports the idea that culture causes conflict between people. By showing how carolyn’s family lives in a way that is boring to him, soto supports the idea that people from different cultures do not share interests. By showing how carolyn’s family lives in a way that is familiar to him, soto supports the idea that people from different cultures can also share a culture. By showing how carolyn’s family lives in a way that is similar to him, soto supports the idea that there are very few differences among cultures.
Answer:
d
Explanation:
Soto build a central idea by showing how Carolyn's family lives in a way that is familiar to him. Soto supports the idea that people from other cultures can also share a culture.
What is the central idea of a story?Theme is regarded as the key or main idea of any form of literary work. It is known to be that idea that unifies all the element of a story.
Conclusively, By showing how Carolyn's family lives in a way that is familiar to him, Soto supports the idea that people from different cultures can also share a culture, Soto was able to show the main idea of the story.
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A chamber contains equal molar amounts of c₂h₂, ch₄, and h₂. If the total chamber pressure is 5. 00 atm, then the partial pressure of c₂h₂ is:.
Answer:
I don't know answer what
The partial pressure of c₂h₂ is25 atm.
What is partial pressure?When more than one gas is present in a container, each gas exerts pressure, which is known as partial pressure. Its partial pressure refers to the pressure of any gas inside the container.
Partial pressures can be calculated in one of two ways:
To determine the individual pressure of each gas in a mixture, use PV = nRT. Determine the proportion of pressure from the total pressure that may be assigned to each individual gas by using the mole fraction of each gas.When there is a combination of two or more gases in a given volume, the pressure created by each individual gas in the mixture is expressed using the phrase partial pressure.
The partial pressures of the individual gases make up the total pressure of the gas combination. P1 + P2 + P3 = Ptot = Pi
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Read the underlined sentence. Who or what does roosevelt blame for making life insecure?.
Answer: B. Industrialization
Explanation:
Answer:
Correct to person on top
Explanation:
:)
According to the beginning of wisdom which of the following is not consistent with the old testament.
Answer:
I don't know answer what is
Why does judith's little brother need help? he can't get dressed by himself. He can't put his shoes on by himself. He can't get undressed by himself. He can't find his clothes.
Answer:
it's A- He can't get dressed by himself
Explanation:
judith's little brother need help, he can't get dressed by himself. it is needed to teach children how to get dressed.
Why child needs to learn how to get dressed?Teaching to children how to get dressed builds child’s confidence level and independence and it gives them a sense of achievement, so getting dressed by themselves helps the child to develop many other skills.
Some of the skills are fine motor skills like fastening buttons and zip, gross motor skills like standing on one leg to pull on a pair of pant, cognitive skills, language skills that is naming types of clothes, colors and sizes, awareness of time and space
Young children are aware about clothing by pulling off things like socks, shoes or hats,
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Ejemplos de analogías simétricas
Answer:
sorry i dont know the answer
Explanation:
very sorry
When individuals apply certain standards that are the standards set by others, such as by parents or the government, they are at the __________ level of moral reasoning.
Answer:
conventional moral reasoning
Explanation:
Which number is rational? –2. 1010010001. –0. 8974512. 1. 2547569. 5. 3333333.
Answer:
D
Explanation:
Which features do most stratovolcanoes and cinder cone volcanoes have in common?.
shield volcanoes from very large gently sloped mounds from effusive eruption
Both stratovolcanoes and cinder cone volcanoes have steep sides and violent eruptions. The correct option is B.
What is a volcano?An opening in the crust of a planet or moon known as a volcano allows molten rock, heated gases, and other things to erupt.
The steep, conical-shaped strato-volcanoes are created by the alternating ash and lava deposits. This type of volcano's magma is made up of bubbles and has a high silica concentration.
A stronger force is applied from the bottom towards the surface after the gases in these bubbles are released. As a result, they are extremely explosive and produce large-scale material eruptions. Take Mount St. Helens, for instance.
The simplest volcanoes have steep sides and are called cinder cones. They are constructed from the substances and partially hardened lava spewed from the volcano's vents.
Due to the power of the gas and the molten lava that have gathered near the vent, eruptions are frequently explosive. Consider the drug Paricutin.
Thus, the correct option is B.
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violent eruptions and thin, flowing lava
steep sides and violent eruptions
broad base with quiet eruptions
wide dome shape and thick lava
After years of maintaining a steady population of 32,000, the population of a town begins to grow exponentially. After 1 year and an increase of 8% per year, the population is 34,560. Which equation can be used to predict, y, the number of people living in the town after x years? (Round population values to the nearest whole number. ) y = 32,000(1. 08)x y = 32,000(0. 08)x y = 34,560(1. 08)x y = 34,560(0. 08)x.
Answer:
A: y=32,000(1.08x)
Explanation:
correct on edge <3
Which phrase best describes the vapor point of a substance?.
The phrase which best describes the vapor point of a substance is: the temperature at which additional heat energy causes the substance to change from a liquid to a gas.
A substance can be defined as a particular kind of matter that has uniform or definite properties.
In Science, there are two (2) main types of substance and these include:
An inorganic substanceAn organic substanceThe vapor vapor point of a substance refers to the temperature at which an additional quantity of heat energy causes a particular substance to be transformed (change) from a liquid to a gas or vapor.
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Have you ever written a bio data or an application letter.
Given a fixed amount of gas held at constant pressure, calculate the volume it would occupy if a 3. 50 l sample were cooled from 90. 0oc to 30. 0oc.
Answer:
I genuenly don't know
Explanation:
What is the best choice for the equation of the line of best fit shown? Note that this estimate would be a strong prediction since it is an interpolation (between data points) and the graph shows fairly strong negative correlation.
Answer: b. Y= -1.5x + 23
Explanation: got it right on edge
Answer:
first one is y= -1.5x+23
second one is 11
Explanation:
Abigail has an account that pays 6. 92% simple interest per year and wants to accumulate $5,896 in interest from this account over six years. How much money should Abigail invest in this account to meet this goal? a. $2,448. 02 b. $8,344. 10 c. $14,200. 39 d. $20,096. 67.
Answer:
Correct answer is C) $14.200.39
Explanation:
we know that
The simple interest formula is equal to
I = Prt
P = I / (rt)
where
I is the amount of money in interest
P is the Principal amount of money to be invested
r is the rate of interest in decimal
t is Number of Time Periods
in this problem we have
t = 9 years
I = $5,896
P = ?
r = 0.0692
substitute in the formula above
P = 5,896/ (0.0692 ÷ 6) = $14,200.39
therefore
the answer is option C)
$14,200.39
(Hope this helps can I please have brainlist (crown)☺️)
"Don’t it s’prise you de way dem kings carries on, Huck?" "No," I says, "it don’t. " "Why don’t it, Huck?" "Well, it don’t, because it’s in the breed. I reckon they’re all alike. " "But, Huck, dese kings o’ ourn is reglar rapscallions; dat’s jist what dey is; dey’s reglar rapscallions. " "Well that’s what I’m a–sayin; all kings is mostly rapscallions, as fur as I can make out. " —The Adventures of Huckleberry Finn Mark Twain What’s funny about this passage?.
Answer:
B. Huck has decided that all kings are rascals.
Next questions:
What is Twain's intent or meaning?
A. Even children recognize the abuse of power.
What could Twain’s viewpoint be, based on the humor and the author’s intent?
A. Rulers abuse their power
Explanation:
Probably too late but for the next people who need the answer.
Huck has decided that all kings are rascals. That is funny about this passage.
What is the passage?A passage is technically just a piece or subsection of a literary work, whether it be fiction or non-fiction. Despite some claims to the contrary, most passages are at least one paragraph long and frequently multiple.
Illustrative example with five steps.
Select a controlling notion and write a topic sentence.
Expand upon the central concept.
Give one illustration (or several examples)...
Describe the example(s).
Finish the thought in the paragraph, or move on to the next one.
There is frequently a lot of misunderstanding, however, if you're searching for a definitive response to the query, "How many sentences are in a paragraph?" The answer is that a paragraph consists of three to eight lines. The fact that it is a golden rule is a crucial element in this response.
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Albert einstein (1)______ born in germany in 1879. In 1895, he (2)______to school in switzerland. After college, he (3)______ in switzerland for 28 years, and then he (4)______ to the us in 1933. He (5)______ in 1955 in the us.
Answer:
1) was
2) went
3) move to the
4) will be
5) is
Explanation:
I hope it will help u
Albert Einstein WAS born in Germany in 1879. In 1895, he WENT to school in Switzerland. After college, he LIVED in Switzerland for 28 years, and then he MOVED to the US in 1933. He DIED in 1955 in the US.
Albert Einstein was a German physicist who developed the theory of relativity. Albert Einstein is popularly known due to his huge intelligence, and he won the Nobel Prize (1921).Einstein's work is today very important to understand the origin of the Universe.In conclusion, Albert Einstein WAS born in Germany in 1879. In 1895, he WENT to school in Switzerland. After college, he LIVED in Switzerland for 28 years, and then he MOVED to the US in 1933. He DIED in 1955 in the US.
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What is the density of helium gas at 17°c and 773 torr?.
Answer:540 g m/s.nrijnvijenvirvijrvnijrvirvirnvrijvnrijvnrivnrijvnrwjivnrij-gvnrgr-b
Explanation: