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3 years ago

What is the molar mass of sn(oh)4

Chemistry

1 answer:

umka2103 [35]3 years ago

6 0

You answer would be: Molar mass of Sn(OH)4 is 186.7394 g/mol

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If you use a horizontal force of 32.0 N to slide a 12.5 kg wooden crate across a floor at a constant velocity, what is the coeff

sergejj [24]

Answer:

Value of coefficient of kinetic friction is 0.26 .

Explanation:

Given:

Mass of wooden crate, m = 12.5 kg.

Horizontal force to keep the block moving with constant velocity, F = 32.0 N.

Since, the block is moving with constant velocity.

So, net force experience by it is zero.

Therefore, fore of friction is equal to applied force.

Now, force of friction , $F=\mu_kN$ ( here $\mu_k$ is coefficient of kinetic friction and N is normal force)

Therefore, $\mu_kN=\mu_k\times mg=\mu_k\times 12.5 \times 9.8=122.5\times \mu_k$

Now, both forces are equal.

$122.5\times \mu_k=32\\\mu_k=\dfrac{32}{122.5}=0.26$

The value of coefficient of kinetic friction is 0.26 .

Hence, it is the required solution.

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4 years ago

Describe one way you could protect a bicycle from corrosion

Varvara68 [4.7K]

Don't use the brakes too hard when u stop. That can cause the biker to fall forward.

Give me a thanks if it helps!!

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3 years ago

A catalyst will

scZoUnD [109]

Answer:

increase the chemical rate

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3 years ago

Compare and contrast the compositions of binary ionic and binary molecular compounds

ICE Princess25 [194]

Both are composed of two elements (that means binary).
Ionic is composed of two ions, metallic cation-positive ions, and nonmetallic anion - negative ions. For example NaCl (sodium-chloride).
Molecular compounds are composed of two nonmetallic elements. For example HCl (hydrochloric acid).

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4 years ago

Can u helmp me, i can give u a 25 points

tester [92]

They’re less reactive, they don’t react quickly with water or oxygen which they resist corrosion.

Answer : true

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3 years ago