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Alchen [17]
4 years ago
13

When an object asorbs all light waves what color will it appear to be

Chemistry
1 answer:
olganol [36]4 years ago
7 0
The colour will be white

..........
You might be interested in
What can you infer about the volume of a gas as absolute zero is approached?
schepotkina [342]

Answer:

The volume of a gas approaches zero as the temperature approaches absolute zero.

Step-by-step explanation:

You may have done a <em>Charles' Law experiment</em> in the lab, in which you measured the volumes of a gas at various temperatures.

You plotted them on a graph, and perhaps you were asked to extrapolate the graph to lower temperatures.

Your graph probably looked something like the one below.

There is clearly an x-intercept at some low temperature.

Inference: The volume of a gas approaches zero as the temperature approaches absolute zero.

4 0
3 years ago
Convert 732.0 mmHg to atm
enot [183]

Answer:

The answer is

<h2>0.95 atm</h2>

Explanation:

To solve the question we use the following conversion

That's

1 mmHg \cong 0.0013 atm

So we have

If 1 mmHg \cong 0.0013 atm

Then 732 mmHg will be

732 × 0.0013 atm

We have the final answer as

<h3>0.95 atm</h3>

Hope this helps you

5 0
4 years ago
What are the charges of families 1, 2, &amp; 13 (boron family) if/when they become Ions
Natalka [10]

Answer:

Explanation:

Group one elements are alkali metals. All alkali metal have one valance electron. They loses their one valance electron and from cation with charge of +1.

Charges on group one.

Hydrogen = +1

Lithium = +1

Sodium = +1

Potassium = +1

Rubidium = +1

Cesium = +1

Francium = +1

Group two elements are alkaline earth metals. All alkaline earth metal have two valance electron. They loses their two valance electron and from cation with charge of +2.

Charges on group two.

Beryllium = +2

Magnesium = +2

Calcium = +2

Strontium = +2

Barium= +2

Radium = +2

Group 13 elements are boron family. All elements have three valance electrons. They loses their three valance electron and from cation with charge of +3.

Charges on group 13.

Boron = +3

Aluminium = +3

Gallium = +3

Indium = +3

Thallium= +3

Group 13 elements are also shows +1 charge by losing one valance electron.

8 0
4 years ago
In a solution the hydroxide ion concentration is 1 ✕ 10-12 M. What is the pH of the solution?
Deffense [45]

Answer:

pH = 2 and pOH = 12

Explanation:

Given [OH⁻] = 1 x 10⁻¹²M

pOH = -log[OH⁻] = -log(1 x 10⁻¹²) = - ( -12 ) = 12

pH + pOH = 14 => pH = 14 - pOH = 14 - 12 = 2

7 0
3 years ago
Aqueous sulfuric acid reacts with solid sodium hydroxide to produce aqueous sodium sulfate and liquid water . What is the theore
Masja [62]

Answer:

71g (assuming experimental data)

Explanation:

The balanced equation for this reaction:

H_{2} SO_{4}(aq) + 2NaOH (s) → Na_{2}SO_{4} (l) + 2H_{2} O (l)

Molar mass of H2SO4 = 98.1 g/mol

molar mass of NaOH = 40g/mol

Molar mass of Na2SO4 = 142.04g/mol

⇒ 1 mole or 98.1g of H2SO4 will yield 1 ole of NaSO4; alternately, 2 moles or 49 ×2 = 80g of NaOH produces 1 mole of NaSO4.

<em>Therefore, limiting reactant is NaOH.</em>

Assuming actual experiment is 20g of NaOH,

1 mole - 40g

x moles - 20g = \frac{20}{40} = 0.5 moles

⇒1 mole of Na2SO4 - 142.04g

∴ 0.5 moles = 142.04 × 0.5

<u>= 71.02g</u>

7 0
3 years ago
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