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Svet_ta [14]
3 years ago
7

Describe 10 physical properties you can find in your home

Chemistry
1 answer:
DanielleElmas [232]3 years ago
4 0
Color.
Density.
Hardness.
freezing point.
Length.
Location.
Smell.
Temperature.
Volume.
Brittleness. 

Hope this helps. :)
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What can be expected to occur as climate change continues on earth?
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<span>the earth's temperature will continue to rise which will increase the amount of sea ice that is melting

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Scientist use alternative ways to seek out if a fault is active which one isn't include​
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Answer:

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Explanation:

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2 years ago
By titration, it is found that 31.7 mL of 0.145 M NaOH(aq) is needed to neutralize 25.0 mL of HCl(aq). Calculate the concentrati
arlik [135]

Answer:

0.184 M

Explanation:

We'll begin by writing the balanced equation for the reaction. This is illustrated below:

HCl + NaOH —> NaCl + H2O

From the balanced equation above, the following data were obtained:

Mole ratio of the acid, HCl (nA) = 1

Mole ratio of the base, NaOH (nB) = 1

Next, the data obtained from the question. This includes:

Volume of the base, NaOH (Vb) = 31.7 mL Molarity of the base, NaOH (Mb) = 0.145 M

Volume of the acid, HCl (Va) = 25.0 mL

Molarity of the acid, HCl (Ma) =?

Finally, we shall determine the molarity of the acid (HCl) as shown below:

MaVa /MbVb = nA/nB

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Cross multiply

Ma × 25 = 0.145 × 31.7

Ma × 25 = 4.5965

Divide both side by 25

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Ma = 0.184 M

Therefore, the molarity of the acid (HCl) is 0.184 M

6 0
3 years ago
Which one of the following is not a homogeneous mixture?
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Calculate the molarity of a solution that contains 0.250 moles of kf in 0.500 l of water
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Molarity can be defined as the number of moles of solute in 1 L of solution.

M = n/V

Where M is the molarity of the solution (M or mol/L), n is the moles of the solute (mol) and V is the volume of the solution (L).

Here, solute is KF.

n = <span>0.250 mol
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By applying the formula,
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Hence, the molarity of KF solution is 0.500 mol/L.

4 0
3 years ago
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