3 years ago

Aluminum can. Copper sheeting, silver spoon, wood drumstick, brick house, Which objects are flexible?

Chemistry

2 answers:

seropon [69]3 years ago

7 0

Cooper and aluminum

3241004551 [841]3 years ago

6 0

Answer:

copper sheeting and aluminum can

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3 years ago

In this reaction: Mg (s) + I₂ (s) → MgI₂ (s), if 10.0 g of Mg reacts with 60.0 g of I₂, and 53.88 g of MgI₂ form, what is the pe

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We know the law of conservation of mass

It states that mass is neither formed nor destroyed in any chemical reaction.
Mass of reactants=Mass of products.

Here

Mg and I_2 are reactants
MgI_2 is product with some yield.
Mass of reactants=10+60.0=70.0g
Mass of MgI_2=53.88g
Mass of yield=Product-MgI_2=70-53.88=16.12g

Lets find the percentage

$\\ \tt\hookrightarrow \dfrac{Mass\:of\:yield}{Total\:mass}\times 100$

$\\ \tt\hookrightarrow \dfrac{16.12}{70}\times 100$

$\\ \tt\hookrightarrow 0.23028(010)=23.028\%$

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2 years ago

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Answer:

star

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stars are composed of 92.1 percent hydrogen and 7.8 percent helium.

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3 years ago

The mass of an atomic number best refers to the number of

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Water will melt faster on a very cold soft drink can than it will on a cool soft drink is this physical or chemical change?

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I believe its chemical change

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