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3 years ago

Which one if the following are appropriate units for measuring volume

1 answer:

5 0

Volume is expressed in "cubic" as prefix of the material being measured.

In cement, it would be measured in cubic yards 
In liquids in can be liters, gallons, ounces etc.. 
That's my answer off the top.... 
Norm 

In SI, you use litres and derivatives (such as ml, kl, etc.) 
In Imperial and US, the units are ounces, cups, pints, quarts, and gallons.

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What is the new concentration of 25.0mL added to 125.0mL of 0.150M

____ [38]

Answer:

The new concentration is 0.125 M.

Explanation:

Given data:

Initial volume V₁ = 125.0 mL

Initial molarity M₁ = 0.150 M

New volume V₂ = 25 mL +125 mL = 150 mL

New concentration M₂ = ?

Solution:

M₁V₁ = M₂V₂

0.150 M × 125 mL = M₂ × 150 mL

M₂ = 0.150 M × 125 mL / 150mL

M₂ = 18.75 M.mL/150 mL

M₂ = 0.125 M

The new concentration is 0.125 M.

8 0

3 years ago

How many moles of HNO3 are present in 450 g of HNO3?

iVinArrow [24]

Since there are 63.01284 grams to one mole of HNO3, then 12.5 moles would be in 450 grams of it.

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3 years ago

Explain whether nitrogen atoms will form bonds with other atoms.

Stells [14]

Nitrogen can make bonds with other atoms.. Typically though it only makes 3 bonds, so it fills its octet.

4 0

3 years ago

£ 5.1.4 Quiz: Hydrocarbons What is the name of this molecule?

lisov135 [29]

£ is not a molecule. It is a currency. That is pounds sterling, used in the U.K.

3 0

4 years ago

Read 2 more answers

2. If 1.75 L of a gas is at 700. K and is under 250. kPa of pressure, what will the new

Andrews [41]

Answer:

Final volume is 3.50L

Explanation:

It is possible to find volume of a gas using combined gas law:

$\frac{P_1V_1}{T_1} =\frac{P_2V_2}{T_2}$

Where P is pressure, V is volume and T is temperature of 1: initial state and 2: final state

If initial state of the gas is:

1.75L of a gas is at 700K and is under 250kPa of pressure

And final state is:

298K and 53.2kPa.

Replacing:

$\frac{250kPa*1.75L}{700K} =\frac{53.2kPa*V_2}{298K}$

0.625L = 0.1785*V₂

3.50L = V₂

Thus, final volume is 3.50L

3 0

3 years ago