You pour some juice from a short, wide glass into a tall, narrow glass. What happens to the volume of the juice? Explain your reasoning.
Answer: the volume increases
Explanation: It increasses because the volume is how tall it is
Which of the following are an example of a polysaccharide?
A.starch
B.chitin
C.cellulose
D.sucrose
Examples include storage polysaccharides such as starch, glycogen and galactogen and structural polysaccharides such as cellulose and chitin. Here's the answer, but I think it's A
Can someone help me please.
Answer:
6 atoms since it says (6o2 and 6co2) notice how there's a 6 before the o2 and co2 ? (oxygen and carbon dioxide ?)
A cube of aluminum has a mass of 500g. What will be the mass of a cube of magnesium of the same dimensions?
(Density of aluminum is 2.7g/ml)
The mass of a cube of magnesium : 322.2 g
Further explanationDensity is a quantity derived from the mass and volume
Density is the ratio of mass per unit volume
The unit of density can be expressed in g / cm³ or kg / m³
Density formula:
[tex]\large{\boxed {\bold {\rho~=~ \frac {m} {V}}}}[/tex]
ρ = density , g / ml
m = mass , g
v = volume , ml
mass of aluminum = 500 g
density of aluminium = 2.7 g/ml
there is data that needs to be added⇒ density of magnesium : 1.74 g/ml
the same dimensions = the same volume
volume of aluminum[tex]\tt V=\dfrac{m}{\rho}\\\\V=\dfrac{500}{2.7}=185.19~ml[/tex]
mass of magnesiumV magnesium = V aluminum
[tex]\tt m=\rho\times V\\\\m=1.74\times 185.19\\\\m=\boxed{\bold{322.2~g}}[/tex]
The cube of same dimensions of magnesium and aluminum have same volume. The mass of cube of magnesium has been 321.85 grams.
What is density?The density has been given as the mass of substance per unit volume. The density of aluminum cube has mass 500 grams, and density 2.7 g/mL. The volume of the aluminum cube has been:
[tex]\rm Density=\dfrac{Mass}{Volume}\\\\2.7\;g/mL=\dfrac{500\;g}{Volume} \\\\Volume=185.18\;mL[/tex]
The volume of the magnesium and aluminum cube has been the same. The density of magnesium has been 1.735 g/mL. Thus, the mass of Mg cube has been given as:
[tex]\rm 1.738\;g/mL=\dfrac{Mass}{185.18\;mL}\\\\ Mass=321.85\;g[/tex]
Thus, the mass of magnesium cube has been 321.85 grams.
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what did ruthorford discover that thomson did not understand
Answer: Atoms aren't entirely empty space
Explanation:
Rutherford did his scatter experiment to disprove Thomson's Plum Pudding Model. Rutherford shot helium nuclei at a sheet of gold and expected the particles to all go straight through to a sensor. The reason he expected this was because Thomson said that atoms are mostly made of empty space. Not all the particles went through the gold sheet, a lot of them actually reflected back to him. This meant that atoms aren't entirely empty space and something had to deflect the helium nuclei
Please help!
The ________ the handle of a wrench, the _________ the mechanical advantage.
longer, greater
shorter, greater
shorter, less
shorter, less
Answer:
longer, greater;
Explanation:
This is more of a physics question. Refer to any notes you might have on simple machines. In short though, a wrench with a longer handle requires less force to be used than a wrench with a short handle. As a result it has more mechanical advantage.
The answer "shorter, less " could also be correct but it's listed twice so I wouldn't pick it.
Answer:
long,great
Explanation:
15 Points For A Unnecessary Question, Is It Bad If I Drink Water With Food Coloring?
Yes
No
Answer:no
Explanation:as long as it’s not too much of it then no , it’s not bad . food coloring gets tested to be safe for human consumption so you’re good
Food coloring should be edible and safe on food (hence the name). If it's safe on food, then it should be safe to drink with water. Of course check with the label to be sure.
TRUE or FALSE: Any measurement that has been cubed is volume.
Answer:
True
Explanation:
Volume is measured in "cubic" units. The volume of a figure is the number of cubes required to fill it completely, like blocks in a box. Volume of a cube = side times side times side. Since each side of a square is the same, it can simply be the length of one side cubed.
Which is not an example of an element ?
Answer:
include all compounds.
Answer:
CO2 is a pure compound
Explanation:
Element non examples include all compounds, which are substances made when two different types of atoms form a chemical bond. Any material made by mixing elements is no longer an element. Anytime you see a chemical formula with more than one element symbol in it, it's an element non example.Pure elements are Substances which are made up of only one kind of atom. Air is a mixture of element and compound whereas alcohol in water is a mixture of compounds. CO2 is a pure compound and not an element.
Please help brainiest is award!!!!!!!!!!!
Answer:
it doesnt even give you enough information for you to answer it
Explanation:
Answer:
it doesnt even give you enough information for you to answer it
Explanation:
If you can run 3 miles in 19 minutes. What is your pace in kilometers per hour?
Report your answer with 3 significant figures. (1 km = 0.621371 miles)
Answer:
10.1389
Explanation:
What is the main type of energy in an iphone charging cable?
Answer:
replace its predecessor, the 30-pin dock connector, the Lightning connector is used to connect Apple mobile devices like iPhones, iPads, and iPods to host computers, external monitors, cameras, USB battery chargers, and other peripherals.
Extended networks of pi bonds can cause a delocalization of electrons. Explain how this occurs.
Electrons in pi bonds can spread over a group of atoms. This is what is meant by delocalization of a pi bonded network.
There are two kinds of bonds in chemistry, these are;
Sigma bondsPi bondsSigma bonds are formed by end to end overlap of atomic orbitals while pi bonds are formed by side by side overlap of atomic orbitals.
Sometimes, pi orbitals are well oriented in such a way that electrons are spread over the pi orbitals of several atoms. For instance, in benzene, there are six pi electrons that are spread over the six carbon atoms in benzene. This is what is meant by delocalization.
Delocalization can only occur when there is are conjugated double bond. This is why delocalization is common in many aromatic compounds. Some inorganic ions such as CO3^2- also have delocalized pi electrons.
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In what way is a decomposing log in a forest a microhabitat ? It supports small organisms within a habitat, while the forest houses the log itself It supports small organisms within a habitat, while the forest houses the log itself it provides camouflage for organisms to protect themselves it provides camouflage for organisms to protect themselves it decomposes matter that enriches the soil it decomposes matter that enriches the soil it is a large community of organisms that occupy a large habitat
Answer:
A microhabitat is a small or localized ecosystem in a larger ecosystem where a range of small populations of plants and animals sustain and main a micro-ecosystem.
Rotting or decomposing log is an example of the microhabitat as it provides food shelter, and various plants and organisms found and interact to make it an ecosystem. There are also interactions between biotic and abiotic factors. Many other characteristics present in this small ecosystem as given in the question.
A microhabitat is a small or localized ecosystem in a more extensive ecosystem a range of small populations of plants, animals sustain main a micro-ecosystem.
What is a Micro-ecosystem?
A rotting or decomposing log is an illustration of a microhabitat as it nourishes food shelter, and different plants and organisms found and interact to create an ecosystem. There are also interchanges between biotic and also abiotic factors. Multiple different characteristics are present in this small ecosystem as given in the question.
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Oxygen and silicon makes up what percentage of the Earth crust.
A) 57% B) 98.5% C) 75% D) 50%
answer
the answer is C
explanation
this is because the oxygen makes up 46.1%of the earth's surface while silcon is 28.5% and the question says "what makes up" which means you should add them and it becomes 74.6% which Is approximately 75%
is hydrogen a neutral atom or ion
Answer:
Hydrogen is the smallest chemical element. It has one proton and one electron, making it neutral. However, the ions of hydrogen atom are charged species. Thus, the key difference between hydrogen atom and hydrogen ion is that the hydrogen atom is neutral whereas hydrogen ion carries a charge.
Answer:
A normal hydrogen (H) atom does not have any neutrons in its tiny nucleus. That tiny little atom (the tiniest of all) has only one electron and one proton. You can take away the electron and make an ion, but you can't take away any neutrons.
Explanation:
An ordered list of chemical substances is shown.
Chemical Substances
1 CuO
2 O2
3 CO2
4 NO2
5 Fe
6 H2O
Which substances in the list can be some of the reactants and products in the same combustion reaction? (4 points)
A. 1, 2, and 3
B. 2, 3, and 6
C. 1, 4, and 5
D. 1, 2, and 5
answer : the correct option is, (B) 2, 3 and 6.
Answer:
b
Explanation:
i took the test
Fill in the blank with either "up" or "down"
a. If the pressure of a gas increases, the temperature will go up
b. If the volume of a gas increases, the pressure will go up
c. If the volume of a gas increases, the temperature will go up
d. If you increase the amount of gas, the pressure will go down
Answer:
a. up
b. down
c. up
d. up
Explanation:
How many significant figures are in 0.00030
5) The phase of matter where particles at extremely high temperatures become ionized
Answer:
plasma
Explanation:
Plasma, in physics, an electrically conducting medium in which there are roughly equal numbers of positively and negatively charged particles, produced when the atoms in a gas become ionized. It is sometimes referred to as the fourth state of matter, distinct from the solid, liquid, and gaseous states.
The amount of matter inside an object is called what?
What is a Newton unit?
Answer:
Units of force.
Explanation:
Issac Newton created the laws of motion and discovered gravity.
Which picture shows an example of kinetic energy?
Answer:
the cheta
Explanation:
kinetic means movement
5. How does the temperature change as altitude increases?
Answer:
when the altitude increases the temperature decreases. it's happens because the pressure changes(below the stratosphere)
Explanation:
+altitude------> - pressure(ar above us)---> -temperature
Find any errors in the orbital notation diagrams below and correct them.
Answer:
See explanation.
Explanation:
A. 2s is incorrect, the right arrow should be pointing downwards.
B. In 2p, the last box has 3 arrows. This is invalid. Each box can only store 2 arrows(electrons). The last arrow should be moved to a 3p orbital (new box).
C. In this one, the arrows switched directions (left is down and right is up). You could fix each box or just the last one (in 3p) to point downwards.
Explain how the crystals of an igneous rock are used to help classify it. PLEASSSEEEE HELP ME
The crystals of igneous rock are formed due to different chemical composition, size and structure of the rocks
Formation of igneous rockThe crystals of an igneous rock are used to classify its own because the crystals of igneous rock are formed due to different chemical composition as well as size and structure. Igneous rocks are the type of rocks which are formed when magma cools and change into solid state.
They are classified on the basis of grain size, silica content, and silica saturation. The igneous rock is depend on the rate of cooling i.e. slow cooling causes the formation of large crystals whereas fast cooling produces small crystals. The igneous rocks are classified according to their chemical composition.
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How is the modern periodic table arranged?
by increasing atomic number
by increasing electronegativity
by increasing ionic size
by increase in atomic mass
What is the relationship between the temperature and the rate of the reaction?
negative
neutral
positive
i think it would be neutral
Which substance is a heterogeneous mixture? WILL LIKE AND THANK WHOEVER IS CORRECT :)
Suspension
Solution
Compound
Colloid
Answer:
Suspension!
Explanation:
A suspension is a heterogeneous mixture in which the solute particles do not dissolve, but get suspended throughout the bulk of the solvent, left floating around freely in the medium. The other answers are homogeneous, not heterogenous.
Have a fantastic day!
what are 3 examples of pairs of atoms with polar covalent bonds?
Answer:
Water - H2O
Ammonia - NH3
Sulfur dioxide - SO2
Hydrogen sulfide - H2S
Ethanol - C2H6O
Explanation:
Those are some atoms with polar covalent bonds. Hope this helps!!