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stiks02 [169]
3 years ago
10

Why is a good insulator important for conserving energy in homes during the winter? The summer?

Chemistry
1 answer:
mezya [45]3 years ago
4 0
Because during the winter it keeps the home warm and conserves heat, and during the summer it keeps your home cool. Kind of like how a Yeti cup keeps your drink warm if it's hot and keeps your drink cool if it was cold.
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Consider the following reaction. Zn(s) 2agno3(aq) --> 2ag(s) zn(no3)2(aq)when 16. 2 g of silver was produced, _____ mole(s) o
Crazy boy [7]

The required amount of silver nitrate to produce 16.2g of silver is 25.48 grams.

<h3>What is the relation between mass & moles?</h3>

Relation between the mass and moles of any substance will be represented as:

n = W/M, where

  • W = given mass
  • M = molar mass

Moles of silver = 16.2g / 107.8g/mol = 0.15mol

From the stoichiometry of the given reaction it is clear that, same moles of silver nitrate is required to produce same moles of silver. So 0.15 moles of silver nitrate is required.

Mass of silver nitrate = (0.15mol)(169.87g/mol) = 25.48g

Hence required mass of silver nitrate is 25.48g.

To know more about mass & moles, visit the below link:

brainly.com/question/19784089

#SPJ4

5 0
2 years ago
Why is it that the decomposition of nitroglycerin can result in so
patriot [66]

Answer:

with the molecular formula C3H5(ONO2)3, has a high nitrogen content (18.5 percent) and contains sufficient oxygen atoms to oxidize the carbon and hydrogen atoms while nitrogen is being liberated, so that it is one of the most powerful explosives known.

Explanation:

NTG reduces preload via venous dilation, and achieves modest afterload reduction via arterial dilation. These effects result in decreased myocardial oxygen demand. In addition, NTG induces coronary vasodilation, thereby increasing oxygen delivery.

3 0
3 years ago
True/False Indicate whether the sentence or statement is true or false. The number 1 234 000 in scientific notation is equal to
Shalnov [3]
False bc 1.234 x 10^5 is 123400
8 0
3 years ago
How many moles of oxygen gas are there in 395 L of oxygen at STP?
kozerog [31]

Answer:

17.6 moles of oxygen gas.

Explanation:

STP Variables:

P=1 atm

R=0.082

T=273 K

Use the PV=nRT, then plug in.

n=PV/RT

n= (1 atm)(395 L)/(0.082) (273 K)

Simplify.

n=17.6 moles of O2

Hoped this helped.

7 0
3 years ago
Plz help due tomorrow what are the answers 1-5 will be marked brainliest
lina2011 [118]

1.)D

2.)B

3.)A

4.)C

5.)C

6 0
3 years ago
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