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3 years ago

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Reptiles, amphibians, and fish are all cold-blooded animals. Their body temperatures are determined by their surroundings. How d

oes a cold-blooded animal’s ability to digest food change in colder temperatures?

1 answer:

tatiyna3 years ago

8 0

Metabolize food slower, I would assume. I have no idea but it makes sense to me

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Sodium azide decomposes rapidly to produce nitrogen gas.

brilliants [131]

Answer:

156 g

Explanation:

Let's consider the following reaction.

2 NaN₃(s) → 2 Na(s) + 3 N₂ (g)

We can find the moles of N₂ using the ideal gas equation.

P × V = n × R × T

1.50 atm × 60.0 L = n × (0.08206 atm.L/mol.K) × 305 K

n = 3.60 mol

The molar ratio of N₂ to NaN₃ is 3:2. The moles of NaN₃ are:

3.60 mol N₂ × (2 mol NaN₃ / 3 mol N₂) = 2.40 mol NaN₃

The molar mass of NaN₃ is 65.01 g/mol. The mass of NaN₃ is:

2.40 mol × 65.01 g/mol = 156 g

4 0

3 years ago

Corals absorb ______ from the ocean to form their skeletons.

Nina [5.8K]

<span>They absorb calcium ions and bicarbonate (hydrogen carbonate) ions.
Sooo B
I hope this helps! :)
</span>

3 0

3 years ago

Read 2 more answers

What is the Kelvin temperature of the air in a tire if the pressure inside the tire is 188 kPa at 32°C. While driving under peri

DENIUS [597]

Answer:

<u>414K</u>

Explanation:

The question is not completely clear because some missing parts or grammar (syntax) errors.

Interpreting it, the question is <em>what is the Kelvin temperatue of the air in a tire, when the pressure in the tire has increased to 225 kPa, if the initial conditions of the air inside the tire were 188kPa of pressure and a temperature of 32ºC.</em>

To solve this, you can assume constant volume and use the law of Gay-Lussac for ideal gases:

$\dfrac{P_1}{T_{1}}=\dfrac{P_2}{T_2}$

That equation works with absolute temperatures, i.e. Kelvin.

32ºC = 32 + 273.15 K = 305.15K

Then solve for T₂, substitute and compute:

$T_2=P_2\times \dfrac{T_1}{P_{1}}=225kPa\times \dfrac{305.15K}{188kPa}$

$T_2=413.90K\approx 414K\longleftarrow answer$

8 0

4 years ago

Why is pure silicon a poor conductor at room temperature

Serga [27]

It has 4 valence electron, all of which are needed to bond with nearest neighbors

6 0

3 years ago

What energy is required for a reaction to occur?

kirza4 [7]

Answer:

B. Activation Energy

Explanation: A P E X

5 0

3 years ago