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Marta_Voda [28]
2 years ago
8

Which of the following statements correctly explains how latitude affects temperature?

Chemistry
1 answer:
dusya [7]2 years ago
7 0

Answer:

It's 1, places that are closer to the equator receive more direct sunlight and have

Explanation:

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A gas evolved during the fermentation of alcohol had a volume of 19.4 L at 17 °C and 746 mmHg. How many moles of gas were collec
AlexFokin [52]

Answer:- 0.800 moles of the gas were collected.

Solution:- Volume, temperature and pressure is given for the gas and asks to calculate the moles of the gas.

It is an ideal gas law based problem. Ideal gas law equation is used to solve this. The equation is:

PV=nRT

Since it asks to calculate the moles that is n, so let's rearrange this for n:

n=\frac{PV}{RT}

V = 19.4 L

T = 17 + 273 = 290 K

P = 746 mmHg

we need to convert the pressure from mmHg to atm and for this we divide by 760 since, 1 atm = 760 mmHg

P=746mmHg(\frac{1atm}{760mmHg})

P = 0.982 atm

R = 0.0821\frac{atm.L}{mol.K}

Let's plug in the values in the equation to get the moles.

n=\frac{0.982atm*19.4L}{0.0821\frac{atm.L}{mol.K}*290K}

n = 0.800 moles

So, 0.800 moles of the gas were collected.

4 0
3 years ago
A 5.0 milliliter sample of a substance has a mass of 12.5 grams. What is the mass of a 100 milliliter sample of the same substan
exis [7]

Answer:

It sould be 250 grams

Explanation:

4 0
3 years ago
Which ones are all renewable resources?
9966 [12]
D, they can be renewed quickly rather than non renewables in which nonrenewable take millions of years. Biomass is all around us, so is water (hydro) and the sun is around us too. 
3 0
3 years ago
Read 2 more answers
What does D represent?
Vitek1552 [10]

Answer:

C. Reactants

I think soo

5 0
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Notice in the picture of sedimentary rocks, there is one layer on top of the other. The oldest rocks are on the bottom of the pi
amm1812

Answer:

A. Superposition

Explanation:

A law of geochronology, stating that in any undisturbed sequence of rocks deposited in layers, the youngest layer is on top and the oldest on bottom, each layer being younger than the one beneath it and older than the one above it.

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