Answers
Answer:
A right? I'm pretty sure it's A
Related Questions
Nicole pushes her bike up a hill. Overhead, the sun exerts a gravitational force on Earth. Which statement is true about the bike and Earth?
They both experience contact forces.
They both experience non-contact forces.
The bike experiences a non-contact force and Earth experiences a contact force.
The bike experiences a contact force and Earth experiences a non-contact force.
Answers
Answer: c
Explanation:
How much heat is required for 10 g of steam specific heat
capacity = 2.01 J/gºC) at 120°C to be heated to 160°C?
Answers
Answer:
145°C is allowed
Explanation:
step step by step explanation
If an organic compound has a carbonyl group and a hydroxyl group, with the carbonyl group connected to two R groups, is it considered an alcohol or a ketone? Or can it have properties of both?
Answers
Answer:
A carboxyl group (COOH) is a functional group consisting of a carbonyl group (C=O) with a hydroxyl group (O-H) attached to the same carbon atom. Carboxyl groups have the formula -C(=O)OH, usually written as -COOH or CO2H.
write the steps you would use for making tea. use the words solution, solvent, dissolve, soluble, insoluble, filtrate and Residue.
Answers
[tex] \large \text{Answer} \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ [/tex]
take a few cups of water in a pan and and heat it on a gas burner . the hot water , add some dark brown mixture . then add sugar and milk. sugar is a solute which dissolves in hot water to form a solution . after boiling put some more time , mixture is filtered through a tea - strainer . the prepared tea passes through the tiny holes of the tea - strainer and collects as of filtrate in the cup placed below. the used tea - leaves , being isoluble , collect as a Residue in the the tea - strainer .
〽hope it helps you ✅
What will a wave look like with high amplitude and long wavelength?
A. Tall and narrow
B. Short and narrow
C. Tall and wide
D. Short and wide
Answers
Answer:
A tall and narrow A tall and narrow
Explanation:
Answer:
A. Tall and Narrow
Explanation:
The frequency of a wave is inversely proportional to its wavelength. That means that waves with a high frequency have a short wavelength, while waves with a low frequency have a longer wavelength. But high amplitude waves tend to be short spent and tall narrow linings.
How do scientists analyze the TRAPPIST system?
Answers
Answer:
A team led by Michaël Gillon at the University of Liège in Belgium detected the planets using transit photometry with the Transiting Planets and Planetesimals Small Telescope (TRAPPIST) at the La Silla Observatory in Chile and the Observatoire de l'Oukaïmeden in Morocco.
Explanation:
This is just how the TRAPPIST system was discovered.
Here's the link about the information you need:
https://www.nasa.gov/press-release/nasa-telescope-reveals-largest-batch-of-earth-size-habitable-zone-planets-around
how many moles of iron are present in 3.15 × 10^24 atoms of iron?
Answers
Answer:
5.23 moles
Explanation:
How many moles of iron are present in 3.15 × 10^24 atoms of iron?
1 mole has 6.02 X 10^23 particles
so
3.15X10^ 24 atoms =( 3.15 X 10^24)/(6.02 X 10^23) =(3.15/6.02 )X 10 =
5.23 moles
The height that mercury reaches in the tube of a manometer ................on the diameter of the tube.
Answers
Answer:
does not depend
Explanation:
Answer:
DO NOT DEPENDEDExplanation:
I hope it's help u
I NEED HELP
so is for example
FeO + H2O ---> Fe(OH)2
And
Fe + 2H20 ---> Fe(OH)2 + H2
The same? Same thing for other metals
Answers
Answer:
no
Explanation:
because when is iron oxide + water given you iron hydroxide while the other one is Iron plus 2 moles of water giving you iron hydroxide and hydrogen
things which are matter but not substance
Answers
Answer:
Vacuum
Explanation:
It may be bounded by a volume. Energy: Light, heat, kinetic and potential energy, and sound are non-matter because they are massless. Objects that have mass and are matter may emit energy.
Which of the following is the best definition of deposition in geology?(1 point)
A:the creation of volcanic rock when liquid magma hits the ocean and cools
B:the mixing of many layers of sediment by wind, water or ice
C:laying down of sediment in layers carried by wind, water or ice
D:the creation of any metamorphic rock
Answers
Answer:
Deposition is the laying down of sediment carried by wind, flowing water, the sea or ice. Sediment can be transported as pebbles, sand and mud, or as salts dissolved in water.
explain why it is necessary to change models as new information becomes available.
Answers
Answer:
Scientific models are not a replacement for experimentation. They can be used in conjunction with experimentation to further understanding of a concept, event, or process. They are based on current scientific knowledge and may have to be changed when new discoveries are made.
Explanation:
that's my answer
#carryonlearning
What list only includes physical properties
Answers
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Boiling points,conductivity and colours contain only physical properties
The difference between Physical/Chemical properties and Physical/Chemical changes
Answers
Physical changes can be reversed and chemical changes can’t be reversed. A physical property is a characteristic which can be identified without changing the substance but to identify a chemical property, you do have to change the substance.
The missing box would be the number and this is a form of decay.
please help mark brainliest
Answers
Answer:
alpha decay or particle
Explanation:
11. If a hypothetical element consisted of three isotopes in the following relative abundance, what would the atomic
mass of the element be?
30.00% 30.00 amu
50.00% 32.00 amu
20.00% 35.00 amu
A. 33.00 amu
B. 32.25 amu
C. 32.00 amu
D. 31.50 amu
E. 31.00 amu
Answers
Answer:
hiroghlipical
Explanation:
new word i just made
How do the atoms aluminum and fluorine react to form the compound aluminum fluoride?
Answers
Answer:
Aluminum fluoride is an ionic compound. Meaning that the two elements form a ionic bond. In ionic bonding, atoms receive and donate electrons in order to become stable. In this case, aluminum donates its three outer electrons to three fluorine atoms. Aluminum forms a triple positive aluminium ion (Becomes a cation) and fluorine forms three single negative fluoride ions (Becomes a anion).
Aluminum (3+)Fluorine (1-)how many electrons does hydrogen need in order to have a full shell of valence electrons?
Answers
Answer:
One
Explanation:
In a hydrogen atom, the first outer shell only consists of two valence electrons, because it would already have one, the atom only needs one more.
It requires two electrons to completely occupy its outer shell, it frequently forms a single covalent bond with another atom. Because of this configuration, hydrogen can gain access to two electrons and completely occupy its valence shell.
What is Hydrogen?Hydrogen adheres to the duet rule because it only requires two electrons to completely occupy its valence shell. It deviates from the octet rule. Hydrogen only needs to form one bond. Because of this, H is always a terminal atom and never a central atom. Hydrogen is a chemical element with the symbol H and the atomic number 1.Hydrogen is the lightest element. Under normal conditions, hydrogen is a gas of diatomic molecules with the formula H2. It is colorless, odourless, tasteless, non-toxic, and extremely flammable. Hydrogen is a more environmentally friendly alternative to methane, also known as natural gas. It is the most abundant chemical element, accounting for 75% of the universe's mass. Water, plants, animals, and, of course, humans contain massive amounts of hydrogen atoms.To learn more about valence electron refer to:
https://brainly.com/question/371590
#SPJ2
1. What is the specific heat of a substance that requires 270 J of energy to raise the temperature of 4.2 grams by 25°C?
Answers
Heat required is mcΔT=100×0.39×50=1950 J
Solve any question of Thermodynamics with:-
The specific heat of the substance that requires 270 J of energy to raise the temperature is 2.57 J/g⁰C.
Specific heat capacity of the substanceThe specific heat capacity of the substance is calculated as follows;
Q = mcΔФ
where;
c is the specific heat capacityc = Q/mΔФ
c = (270) / (4.2 x 25)
c = 2.57 J/g⁰C
Thus, the specific heat of the substance that requires 270 J of energy to raise the temperature is 2.57 J/g⁰C.
Learn more about specific heat here: https://brainly.com/question/21406849
#SPJ2
What would be the bond angle if the molecular geometry were bent and had only one lone pair of electrons
Answers
120°
Bent molecular geometry
Examples H2O, SO2
Point group C2v
Coordination number 2
Bond angle(s) 90°<θ<120°
please help I attached an image
Answers
Answer:
B
Explanation:
Nonmetals have nearly full valence shells and try very hard to get that last few electrons to complete their valence shell. This allows them to achieve noble gas stability. This is why they have high electronegativities and electron affinities.
Are bath bombs pure substances or mixtures
Answers
Answer:
Yes.
Explanation:
Bath bombs are usually made from three key ingredients: baking soda, citric acid and cornstarch, said Frankie Wood-Black, an instructor in chemistry at Northern Oklahoma College and an experienced bath-bomb maker. Often, bath bombs also include dyes and perfumes, and sometimes they have epsom salt.
Answer: yes
Explanation:
Indique cuáles son las unidades de la molaridad *
eq-g/m³
eq-g/L
mol/cm³
mol/L
Answers
Answer:
hm
Explanation:
what kind of molecule is a polymer??
Answers
Answer:
macromolecules
Explanation:
Polymer is composed of molecules called macromolecules that have multiple of simpler chemical units called monomers.
what is the mass of the ice (in kg) composing the iceberg?
Answers
Answer:
picture pls
Explanation:
A significant amount of methane (CH4) is trapped underground or under marine sediments as Select one: a. methane hydrates. b. liquid methane. c. inorganic carbon. d. natural gas.
Answers
Methane is found under the ground or under marine sediments as natural gas which is mined along with crude oil.
Methane is an alkane and has the formula CH4. It is most commonly used as fuel. Methane is the gas that has been renowned as being responsible for explosion in coal mines.
Methane is found under the ground as natural gas which is mined along with crude oil. Large deposit of natural gas is found in many countries in Asia, Africa and the middle east.
Learn more: https://brainly.com/question/6505878
Is the partial pressure of o2 higher in water or the air?
Answers
The pathogen below is a single-celled organism without a nucleus that can cause illness in a humans.
Answers
Answer:
bacteria
Explanation:
The pathogen below is a single-celled organism without a nucleus that can cause illness in a humans.
the electron configuration of an element describes _____.
Answers
Answer:
here
Explanation:
This is the electron configuration of the element carbon.
Holding a marshmallow near a campfire flame causes it to turn brown even if the marshmallow does not touch the flame. Why does this happen?
A.
Dust blowing through the air causes the marshmallow to brown.
B.
Hot air in the atmosphere cooks the marshmallow.
C.
Heat radiates from the fire and cooks the marshmallow.
D.
Smoke and soot from the fire cause the marshmallow to brown.
Answers
Answer:
The answer is, C. Heat radiates from the fire and cooks the marshmallow.
Answer:
C Heat radiates from the fire and cooks the marshmallow.
Explanation:
Heat can be transferred through space through the process of radiation. The marshmallow is toasted because heat radiates from the fire and cooks the marshmallow.