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Marina86 [1]
3 years ago
5

Question 14 Multiple Choice Worth 2 points) If we have less power, we most likely have

Chemistry
2 answers:
aleksley [76]3 years ago
8 0

Answer:c

Explanation: because it’s more reasonable

Alex17521 [72]3 years ago
5 0

Answer:

d or c

Explanation:

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Plate movement is thought to be the result of what ​
Zielflug [23.3K]

Answer: Plate movement is thought to be driven by a combination of the motion of the seafloor away from spreading ridges due to variations in topography and density changes in the crust.

Hope this helps

7 0
3 years ago
What is the resistance of a 150 W lightbulb connected to a 24 V voltage source?
Luda [366]

Answer:

3.84 Ω

Explanation:

From the question given above, the following data were obtained:

Electrical power (P) = 150 W

Voltage (V) = 24 V

Resistance (R) =?

P = IV

Recall:

V = IR

Divide both side by R

I = V/R

P = V/R × V

P = V² / R

Where:

P => Electrical power

V => Voltage

I => Current

R => Resistance

With the above formula (i.e P = V²/R), we can calculate resistance as illustrated below:

Electrical power (P) = 150 W

Voltage (V) = 24 V

Resistance (R) =?

P = V²/R

150 = 24² / R

150 = 576 / R

Cross multiply

150 × R = 576

Divide both side by 150

R = 576 / 150

R = 3.84 Ω

Thus, the resistance is 3.84 Ω

4 0
3 years ago
If 49.0 g of O2 is mixed with 49.0 g of H2 and the mixture is ignited, what is the maximum mass of water that may be produced?
Katarina [22]

Answer:

55.2gH_2O

Explanation:

Hello!

In this case, since the reaction between hydrogen and oxygen to produce water is:

2H_2+O_2\rightarrow 2H_2O

When equal masses of each reactant go in contact to carry out the reaction, we can identify the maximum mass of yielded water as the fewest mass yielded by each reactant, just as shown below:

m_{water}^{by\ H_2}=49.0gH_2*\frac{1molH_2}{2.02gH_2}*\frac{2molH_2O}{2molH_2}*\frac{18.02gH_2O}{1molH_2O}   =170gH_2O\\\\m_{water}^{by\ O_2}=49.0gO_2*\frac{1molO_2}{32.0gO_2}*\frac{2molH_2O}{1molO_2}*\frac{18.02gH_2O}{1molH_2O}   =55.2gH_2O

Thus, since hydrogen yields more water than real, we limit the maximum mass of water to those 55.2 g yielded by oxygen as hydrogen would be in excess.

Best regards!

4 0
3 years ago
What is the chemical name for HCI
densk [106]

Answer:

Hydrochloric Acid is the chemical name for HCI

6 0
3 years ago
Read 2 more answers
Which of the following refers to the process of hydrolysis?
Sergeeva-Olga [200]
The statement that refers to the process of hydrolysis is <span>Water is needed for hydrolysis to take place. The answer is letter C. The rest of the statements do not answer the question above.</span>
5 0
3 years ago
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