2 years ago

A cat climbs a tree. What chemical process is taking place to

1 answer:

8 0

Answer:

When i cat climbs a tree it is using energy that was stored away. When you eat you are storing that energy in the food. when you cimb a tree you are burning calorius from that meal.

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Which of the following most likely represents the specific gravity of granite? 2.7 3.0 3.3 5.5

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Represent the gravity of granite is 2.7

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3 years ago

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How many Sodium atoms are in 2.00 mols of Na2O

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3 years ago

A scuba diver knows that she needs 50.0mol of air for an upcoming dive. What size (volume) tank will she need to fill for this d

erica [24]

Answer:

1120 L.

Explanation:

Hello!

In this case, as no conditions of pressure of temperature are given for this problem, we can assume that the scuba diver dives at STP (1 atm and 273.15 K), which means that 1 mole of air would occupy a volume of 22.4 L.

In such a way, since she needs 50.0 moles of air, the following ratio is useful to compute the size (volume) of the tank she needs:

$V_2=\frac{V_1*n_2}{n_1}$