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garri49 [273]
3 years ago
9

What is the answer to this question please

Chemistry
2 answers:
sergeinik [125]3 years ago
5 0
Infrared and ultraviolet light
mezya [45]3 years ago
3 0
Infared and ultraviolet light. :)
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What is the volume of 3.40 mol of gas at 33.3C and 22.2atm of pressure
Luda [366]
The volume of 3.40 mol of gas at 33.3 C and 22.2 atm of pressure is 3.85 liter of gas. This problem can be solved by using the PV=nRT or V= nRT/V equation which is the relation between the molar volume, the temperature, and the pressure of gas. In this formula, P is the pressure, R is the universal gas constant ( 0.0821 atm L/mol K), n is the molecule amount, V is the molecular volume, and T is the temperature. The temperature used in this formula must be in Kelvin, therefore we have to convert the Celcius temperature into Kelvin temperature (33.3 C = 306.45 K).
<span>The calculation for the problem above: 3.4*0.0821*306.45/22.2 = 3.85 liter of gas.</span>
5 0
3 years ago
Water is put into a pot and then heated on a stove. It is then removed and allowed to cool to room temperature
Hatshy [7]
What is the question?
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3 years ago
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What act of congress provides funds to improve forensic labs and communication
Margarita [4]

Answer:

i think dna crepper act

Explanation:

if wrong then sry

3 0
3 years ago
Chlorine has seven valence electrons. It can form a bond with two atoms of Magnesium (two valence electrons). Is this an example
Schach [20]

Answer:

The answer to your question is Ionic bonding. Magnesium loses 2 electrons and Chlorine gains 1 electron

Explanation:

An Ionic bond is formed between a metal and a nonmetal and the difference of electronegativity is higher than 1.7. In this type of bond, metals lose electrons and nonmetals gain them.

Covalent bonding is formed between two nonmetals and the difference of electronegativity is between 0 and 1.7. Elements share electrons.

Process

Electronegativity of Mg = 1.31

Electronegativity of Cl = 3.16

Difference = 3.16 - 1.31

                  = 1.85

          1.85 > 1.7 then the bond formed is Ionic

Magnesium loses 2 electrons and Chlorine gains 1 electron

6 0
3 years ago
What is the formula of nitrous acid
Fudgin [204]

Answer:

HNO2

Explanation:

It is a pale blue solution and it is only known in solution and gas form.

4 0
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