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NISA [10]
3 years ago
7

How many donuts are in a mole of donuts ?​

Chemistry
2 answers:
zhannawk [14.2K]3 years ago
7 0

6.02×10²³ donuts is how much donuts are in a mole.

pychu [463]3 years ago
5 0

Whats the donar mass

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A student placed a small chip of limestone into a hydrochloric acid solution, and carbon dioxide gas was released. The carbon di
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Physical and chemical changes are reversible and nonreversible changes. The release of carbon dioxide gas indicates a chemical change.

<h3>What is a chemical change?</h3>

A chemical change is a change in which a new substance is produced when the reactants react in the reaction mixture. The chemical produced cannot be reversed back to the reactants and hence, it is nonreversible.

The release of carbon dioxide is a chemical change as limestone and hydrochloric acid react with each other chemically and as a result, a new substance was formed.

Therefore, the production of carbon dioxide indicates a chemical change.

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2 years ago
Andy puts some pieces of paper on a drum and then hits the drum with a drumstick. What observation supports the idea that sound
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Though she hits the drum, the papers on the drum also vibrate.

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8 0
3 years ago
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For the following experiments, identify the independent variable and the dependent variable:
faust18 [17]

Answer:

A) IV: number of hours DV: score

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DV- is the variable that u test or measure

In this case, we need to change the hours of studying to see how studying for different hours [1 hr, 2hr, etc (( Independant variable coz we're changing the no. of hours)) ] is going to affect the student's score, and in the end, we are measuring the score of each student [this is the dependant variable].

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Which organs are part of the musculoskeletal system? Check all that apply.
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Bones, muscles, and tendons
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What is 360mL of fluids measured in cc's?
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360mL is 360 cc

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