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Dennis_Churaev [7]
3 years ago
15

2. What is the current running through a toaster if the resistance is 15

Chemistry
1 answer:
pogonyaev3 years ago
8 0
I’ll help you 8n a bit
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1) If I have 4 moles of a gas at a pressure of 5.6 atm and a volume of 12 liters, what is the temperature?
sergey [27]

Answer:

204.8 K

Explanation:

We use the ideal gas equation:

PV = nRT

where R is the gas constant (0.082 L.atm/K.mol).

We have the following data:

n= 4 moles

P = 5.6 atm

V = 12 L

So, we introduce the data in the ideal gas equation to calculate the temperature (T):

T = PV/nR = (5.6 atm x 12 L)/(4 mol x 0.082 L.atm/K.mol) = 204.8 K ≅ -68 °C

6 0
3 years ago
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How many moles are in 55.0 g calcium nitrate?
Alex17521 [72]

Answer: 0.335 mols Ca(NO3)2

Explanation: To go from grams to mols you divide grams by the molar mass of the substance so, 55/164.088 = 0.335

5 0
4 years ago
Which products would form if chlorine gas was bubbled through a solution of sodium bromide?
Ivenika [448]
A displacement reaction will occur from the system given above. The chlorine molecules will displace the bromide ions in the solution of sodium bromide. The reaction will yield to sodium chloride and bromine. The reaction will be:

2NaBr + Cl2 = 2NaCl + Br2
8 0
3 years ago
How many molecules are in 2.570 moles of H2
docker41 [41]
A lot of molecules will be in 2.570 moles of H2
5 0
3 years ago
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Which sample of matter has a crystal structure?
Maurinko [17]
The correct answer:C) NaCl(s)
Hope this helps!
4 0
4 years ago
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