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Jet001 [13]
4 years ago
6

A student has a solid block of steel and a solid plastic block of the same size.

Chemistry
1 answer:
Colt1911 [192]4 years ago
4 0

The answer is the mass of the steel block is greater than the mass of the plastic block.

<u>Explanation</u>:

  • Steel has more thickness than plastic and wood. In this way, its mass will be more noteworthy and thus it will have a more noteworthy estimation of inertia, as inactivity of a body is estimated by the mass of the body. The mass of the steel is more noteworthy than the mass of the plastic.
  • Here the thickness of steel is more than plastic and wood. On the off chance that an article has more thickness than the other item, their masses would be more prominent because mass is corresponding to thickness.

 

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24. A sports ball is inflated to an internal pressure of 1.85 atm at room temperature (25 °C). If the ball is then played with o
baherus [9]

<u>Answer:</u> The correct answer is Option B.

<u>Explanation:</u>

To calculate the final pressure of the system, we use the equation given by Gay-Lussac Law. This law states that pressure of the gas is directly proportional to the temperature of the gas at constant volume.

Mathematically,

\frac{P_1}{T_1}=\frac{P_2}{T_2}        (at constant volume)

where,

P_1\text{ and }T_1 are the initial pressure and temperature of the gas.

P_2\text{ and }T_2 are the final pressure and temperature of the gas.

We are given:

Conversion factor:  T(K)=T(^oC)+273

P_1=1.85atm\\T_1=25^oC=(25+273)K=298K\\P_2=?atm\\T_2=7.5^oC=(7.5+273)K=280.5

Putting values in above equation, we get:

\frac{1.85atm}{298K}=\frac{P_2}{280.5K}\\\\P_2=1.74atm

Hence, the correct answer is Option B.

6 0
3 years ago
When the vapor pressure is less than the atmospheric pressure, what will occur? A. The liquid will not boil. B. the liquid will
AfilCa [17]

Answer:

A. the liquid will not boil

5 0
3 years ago
222 Fr<br> Beta decay of 87<br> I
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4 0
3 years ago
The veterinarian prescribes the NSAID carprofen for a 50-pound dog with arthritis at a dose of 4.4 mg/kg and would like this dos
alina1380 [7]

Answer:

The dog should be given half of 100 mg tablet in the morning and another half of 100 mg tablet in an evening.

Explanation:

Weight of the dog = 50 pounds = 22.68 kg

1 kg = 2.205 pounds

Amount of daily dose prescribed by doctor = 4.4 mg/kg

Total mount of dose = 4.4 mg/kg × 22.68 kg = 99.79 mg

99.79 mg ≈ 100 mg

49.89 mg ≈ 50 mg

So, according to doctor prescription dog should be given half 100 mg tablet in the morning and another half of 100 mg tablet in an evening.

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Answer:

I think the answer is false

3 0
3 years ago
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