2 years ago

I need help, please answer

Chemistry

2 answers:

Ivanshal [37]2 years ago

8 0

Answer:

Mrs girl I'm sorry I don't know

I just need the points

djyliett [7]2 years ago

5 0

Answer:

it explodes

Explanation:

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2. calcium reacts with oxygen to produce calcium oxide what is the :reactant' :products' and chemical equation" of this problem

earnstyle [38]

Answer:

Calcium reacts with Oxygen to form Calcium Oxide

Explanation:

Reactant: Calcium reacts with Oxygen to form Calcium Oxide

Products: Calcium + Oxygen

Chemical equation: Ca + 02> CaO

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1 year ago

Which of the following is not a valid equation for describing the behavior of

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3 years ago

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3 years ago

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For the procedural error, indicate if the error will affect the actual yield of copper(II) saccharinate product and if it does,

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Answer:

Lowers the actual yield

Explanation:

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2 years ago

A reaction was suppose to produce 20 L of gas. Only 12 litters of gas were produced in the lab. What is the percent yield for th

pogonyaev

Answer:

$\boxed {\boxed {\sf 60 \%}}$

Explanation:

Percent yield is a ratio of the actual yield to the theoretical yield. It is found using this formula:

$\% \ yield= \frac {actual \ yield}{theoretical \ yield} *100$

The actual yield is 12 liters, because that was actually produced in the lab.

The theoretical yield is 20 liters, because that was the expected yield.

$\% \ yield= \frac {12 \ L}{20\ L} *100$

$\% \ yield= 0.6*100$

$\% \ yield= 60$

For this reaction, the percent yield is 60%.

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2 years ago