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3 years ago

In which type of condition is a conditions is a landslide most likely to occur

Chemistry

1 answer:

masha68 [24]3 years ago

6 0

Answer:

B. In a wet, hilly area

Explanation:

We know that for a landslide to happen, there has to be a down hill slope so it can fall.

This eliminates answers C, D and E.

So we are left with A and B

Now we can look at this in a real life scenario. If you have ever walking on wet ground, you will know that is weaker than dry ground. Knowing this, we know the answer will have to be answer B.

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The mir space station was launched by the united states true or false

aleksandr82 [10.1K]

This is false. The mir space station was launched by Russia.

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3 years ago

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Explain why Potassium is more reactive than lithium?

Elis [28]

Explanation:

Potassium has an atomic radii that is greater than that of lithium that is why potassium is more reactive than lithium.

tHx fOr pOinTs...

6 0

3 years ago

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Determine the molar mass of CuSO4 (the solute) in a 1.0M aqueous solution of CuSO4

inna [77]

Answer:

See explanation.

Explanation:

Hello,

In this case, we could have two possible solutions:

A) If you are asking for the molar mass, you should use the atomic mass of each element forming the compound, that is copper, sulfur and four times oxygen, so you can compute it as shown below:

$M_{CuSO_4}=m_{Cu}+m_{S}+4*m_{O}=63.546 g/mol+32.00g/mol+4*16.00g/mol\\\\M_{CuSO_4}=159.546g/mol$

That is the mass of copper (II) sulfate contained in 1 mol of substance.

B) On the other hand, if you need to compute the moles, forming a 1.0-M solution of copper (II) sulfate, you need the volume of the solution in litres as an additional data considering the formula of molarity:

$M=\frac{n_{solute}}{V_{solution}}$

So you can solve for the moles of the solute:

$n_{solute}=M*V_{solution}$

Nonetheless, we do not know the volume of the solution, so the moles of copper (II) sulfate could not be determined. Anyway, for an assumed volume of 1.5 L of solution, we could obtain:

$n_{solute}=1mol/L*1.5L=1.5mol$

But this is just a supposition.

Regards.

4 0

3 years ago

Answer fast plzzzzzzzz

viva [34]

Answer:

2nd and 3rd

Explanation:

5 0

3 years ago

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The chemical equation below shows the reaction between tin (Sn) and hydrogen fluoride (HF). Sn + 2HF mc017-1.jpg SnF2 + H2 The m

Sergio [31]

Tin and Hydrofluoric Acid reacts as shown,

 Sn + 2 HF → SnF₂ + H₂

According to Equation,

40.02 g (2 Moles) HF Required = 1 Mole of Sn for complete Reaction

So,
40 g of HF will require = X Moles of Sn

Solving for X,
X = (40 g × 1 Mole) ÷ 40.02 g

X = 0.999 Moles ≈ 1 Mole
Result:
40 g of HF requires 1 Mole of Tin (Sn) for complete Reaction to produce SnF₂ and H₂.

7 0

3 years ago

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