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zaharov [31]
2 years ago
15

Is na2o a element or compound

Chemistry
2 answers:
Rudik [331]2 years ago
7 0

Answer:

Compound

Explanation:

Orlov [11]2 years ago
5 0

Answer:

Its a compound :PP

Explanation:

have a good day

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Which structural formula represents an unsaturated hydrocarbon?
bija089 [108]

Answer:

4

Explanation:

your chosen answer is right as unsaturated mean contains double bond and 1st and 3rd is Wrong as Carbon only can have 4 bonds and 2nd is Wrong as it is saturated.

hope this helps :)

5 0
2 years ago
At STP how many molecules of nitrogen gas are in 224 L?
NeTakaya

Answer:

6.022×10²² molecules

Explanation:

Given data:

Volume of nitrogen = 224 L

Pressure = standard = 1 atm

Temperature = standard = 273 K

Number of molecules = ?

Solution:

PV = nRT

1 atm × 224 L = n × 0.0821 atm.L/mol.K × 273 K

224 atm.L = n ×22.41 atm.L/mol

n = 224 atm.L/22.41 atm.L/mol

n = 10 mol

1 mole contain 6.022×10²³ molecules

10 mol×6.022×10²³ molecules/ 1 mol

60.22×10²³ molecules

6.022×10²² molecules

6 0
2 years ago
Interpret, in terms of atoms and in terms of moles, the supscript in a chemical formula  C2H6
tigry1 [53]
Carbon (24.00)(2)+hydrogen(1.01)(6)
3 0
2 years ago
#1: Karen measures the volume of a gas at 200 K and 100 kPa. To correct her measurement to standard temperature and pressure (ST
Nitella [24]
To correct her measurement to standard temperature and pressure (STP), she must <span>make a volume correction based on a higher temperature of 273 K. The answer is letter B. This is in order to correct the temperature and pressure because correcting the volume will indicate that the temperature and pressure will result to the opposite result of the volume. This is because volume is indirectly proportional with pressure and temperature.</span>
3 0
3 years ago
Characteristics used to describe matter are called
Shtirlitz [24]

Answer:

A.physical properties

5 0
2 years ago
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