2 years ago

Which of the following represents the number of grams of a solute in 100 grams of a solution?

Chemistry

1 answer:

OLga [1]2 years ago

4 0

Mass divided by volume equals density

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Question in photo! Will give brainliest

Jlenok [28]

To be honest, I can’t really see the question. So please next time just type it out lol

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2 years ago

A balloon is floating around outside your window. The temperature outside is 21 ∘C , and the air pressure is 0.700 atm . Your ne

Andreyy89

Answer:

$V=162L$

Explanation:

Hello,

In this case, we can compute the required volume by using the ideal gas equation as shown below:

$PV=nRT$

Thus, solving for the volume and considering absolute temperature (in Kelvins), we obtain:

$V=\frac{nRT}{P}= \frac{4.70mol*0.082\frac{atm*L}{mol*K}*(21+273)K}{0.700atm} \\\\V=162L$

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3 years ago

What would the formula be for this model above?

Nadusha1986 [10]

Probably CH(subscript)4... :) It's Methane

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3 years ago

In your own words, please describe the difference between a complete ionic equation and a net ionic equation.

beks73 [17]

Explanation:

In the molecular equation for a reaction, all of the reactants and products are represented as neutral molecules (even soluble ionic compounds and strong acids). In the complete ionic equation, soluble ionic compounds and strong acids are rewritten as dissociated ions.

The net ionic equation is a chemical equation for a reaction that lists only those species participating in the reaction. The net ionic equation is commonly used in acid-base neutralization reactions, double displacement reactions, and redox reactions.

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2 years ago

Referring to the experiment in which the scientists studies how long it

pshichka [43]

Answer:

different sizes of the parachute

Explanation:

this is what is being changed throughout the experiment

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2 years ago