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vampirchik [111]
3 years ago
8

I dont understand and this question hard well for me

Chemistry
2 answers:
Darya [45]3 years ago
5 0

Answer:

A

Explanation:

medal is a conductor so the heat will travl

Murrr4er [49]3 years ago
4 0
A
"The heat from the hot chocolate will travel to the spoon"
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Given the reaction below, if 0.00345 g of carbon dioxide is used up, how many grams of water will be produced?
zimovet [89]

From the  stoichiometry of the reaction, 1.4 * 10^-3 g is produced.

<h3>What mass of water is produced?</h3>

The equation of the reaction is written as; CO2 + 2LiOH → Li2CO3 + H2O. This can help us to apply the principle of stoichiometry here.

Thus;

Number of moles of CO2 = 0.00345 g/44 g/mol = 7.8 * 10^-5 moles

If 1 mole of CO2 produced 1 mole of water

7.8 * 10^-5 moles of CO2 produced  7.8 * 10^-5 moles of water

Mass of water produced =  7.8 * 10^-5 moles * 18 g/mol = 1.4 * 10^-3 g

Learn ore about stoichiometry:brainly.com/question/9743981

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3 0
2 years ago
How many mole ratios can be written for a chemical reaction involving 3 substances
Anika [276]
There can be three mole ratios that can be written involving three substances.It depends on the constant of your reactant to your product. It also depends on the asked mole ratio. But the maximum would be 3 mole ratios because you have 3 substances in your reaction.
7 0
3 years ago
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A gas has a volume of 0.50 L, a pressure of 0.5 atm, and a temperature of 40°C. What will be the new temperature if the gas is e
klio [65]

Answer:

4.90

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10- 5.0

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In the formation of a macromolecule, what type of bond would join two amino acid subunits?
luda_lava [24]
I think its an Ionic bond although i am not sure about
8 0
4 years ago
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You are on an alien planet where the names for substances and the units of measures are very unfamiliar.
neonofarm [45]

Given that in the alien planet the names of substances and the units in which they are measured in not familiar.

8 quibs of a substance called skvarnik is present.

The conversion factor between sleps and quibs is: 9 sleps = 13 quibs

Converting 8 quibs of skvarnick to sleps:

8 quibs * \frac{9 sleps}{13 quips}= 5.54sleps

5.54 when rounded to nearest tenth becomes 5.5.

So the correct answer would be 5.5



5 0
3 years ago
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