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aalyn [17]
3 years ago
10

Plz help! It takes a car going 40 mph 3 seconds to come to a stop. What is the acceleration?

Chemistry
1 answer:
lana66690 [7]3 years ago
3 0

Answer:

6 second???

Explanation:

Im so sorry if thats wrong!!!!

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weather balloon is filled with helium to a volume of 340 L at 30 ∘C and 751 mmHg . The balloon ascends to an altitude where the
valentinak56 [21]

Answer: Thus the volume of the balloon at this altitude is 419 L

Explanation:

Combined gas law is the combination of Boyle's law, Charles's law and Gay-Lussac's law.

The combined gas equation is,

\frac{P_1V_1}{T_1}=\frac{P_2V_2}{T_2}

where,

P_1 = initial pressure of gas = 751 mm Hg

P_2 = final pressure of gas = 495 mm Hg

V_1 = initial volume of gas = 340 L

V_2 = final volume of gas = ?

T_1 = initial temperature of gas = 30^oC=273+30=303K

T_2 = final temperature of gas = -27^oC=273-27=246K

Now put all the given values in the above equation, we get:

\frac{751\times 340}{303}=\frac{495\times V_2}{246}

V_2=419L

Thus the volume of the balloon at this altitude is 419 L

8 0
3 years ago
What is the volume of 0.200 mol of an ideal gas at 200. kPa and 400. K?
Alexxandr [17]

3.3256 Liters

See the image I have shared to you above

3 0
3 years ago
Which of the following is NOT a property of an acid?
MrMuchimi

the correct answer is feels slippery

5 0
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If a stack of 40 solid oxide fuel cells in series generates 1,000 W of power, and each cell contributes equally to the power of
Fittoniya [83]

Answer:

25 W

Explanation:

8 0
3 years ago
Read 2 more answers
What is the mass of 5.35 mol of magnesium, Mg?
Hatshy [7]
130.03175 g. Mol to mass is multiplication. So multiply 5.35 by 24.305 and you will get the answer
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3 years ago
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