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sammy [17]
3 years ago
12

Alpine Marmots are a type of rodent that have the ability to decrease their body activity to conserve food. These marmots most l

ikely A. Build fires on cold winter nights. B. Migrate south for the winter. C. Hibernate during the cold winter months.
Chemistry
1 answer:
tia_tia [17]3 years ago
5 0

Hello!

The answer is C. Hibernate during the cold winter months.

Why?

Alpine marmots are known for having a long hibernation duration which starts in October (winther) and ends in April (summer) (about 7 months). During this long period, they are able to reduce their bear beats from 200 per minute to just 30 or 38 beats, and their breaths from 60 breaths/minute to 1-3 breaths/minute, guaranteeing an extreme energy saving process.

Have a nice day!

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What are some of the Causes of air pollution in Utah, and what Effects does that have on you and/or society?
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Answer:

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Explanation:

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3 years ago
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You find a compound composed only of element "X" and hydrogen, and know that it is 91.26% element X by mass. Each molecule has 2
worty [1.4K]
Since you know the ratio of atoms, you can start to put a formula togeter. The formula might look like:<span>
X<span>H2.67 
</span></span>but since atoms can't come in fractional amounts, we have to multiply the formula by some number in order to turn 2.67 into a whole #, while still maintaining the ratio. Multiplying 2.67 by 3 yields 8, so the most likely ratio in the molecule is

X3H8<span>so the ratio of 1:2.67 is still maintained. The mass percent tells you that out of every 100g of compound, 91.26g is element X, so the other 8.74g must be H. Dividing each mass by the number of moles in the formula gets us the molar mass of each element (approximately). DIviding 8.74g by 8 gets 1.09, roughly the molar mass of hydrogen. Dividing 91.26g by 3 gets us 30.4, roughly the molar mass of phosphorus. Element X is most likely phosphorus</span>
4 0
3 years ago
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Which of the following is the most likely cause for the increase in pressure observed in the container as the reaction reaches e
ryzh [129]

Answer:

c) an increase in the number of molecules, which increase the frequency of collisions with the walls of the container.

Explanation:

Hello!

When in a chemical reaction the amount of mole of products is greater than the amount of mole of reagents, an increase in pressure is observed upon reaching equilibrium.

Increases in temperature can also produce an increase in pressure although in some cases an increase in temperature may occur under isobar conditions (constant pressure).

Successes with your homework!

6 0
3 years ago
An experiment requires 42. 5 g of sulfuric acid. Unfortunately, you do not have access to a weighing balance. What volume in ml
drek231 [11]

The density of sulfuric acid is given to you in grams per milliliter, gml^{-1}. This means that the unit of volume here will be 1 ml .

<h3>What is density?</h3>

Density is a term used to describe how much space (volume) an object or substance takes up in relation to the amount of matter in that object or substance (its mass). Density is defined as the amount of mass per unit volume.

M = n/V where n is the number of moles and V is the volume in liters,

d = density

= 1.84 g/ml

= 1840 g/L,

Weight of H_{2} SO_{4} is 1840 g in 1 L of solution,

But H_{2} SO_{4} is present 96% by weight in the solution

0.96 x 1840

= 1766.4 g,

So, M

= n/V

= 1766.4/98/1 where 98 is the molar mass of H_{2} SO_{4}

Therefore

M = 18.024 mol/L

To know more about density ,visit:

brainly.com/question/952755

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