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Lelu [443]
2 years ago
6

Чому вирівнювання хімічних рівнянь є обов´язковим

Chemistry
1 answer:
Sav [38]2 years ago
3 0

what is your question?

plz ask in English language

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A crane lifts a 5,800-N block from the ground to 20 m above the ground in 80 seconds. How much Power
earnstyle [38]

Answer:

1450 W

Explanation:

<u>5800n x 20m</u>        =1450w

      80s

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3 years ago
The correct way of making a soluiton of acid in water is to
Talja [164]

Explanation:

To add acid into water to dilute the solution but don't add water into acid it can explosive/ can burnt to the victim

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3 years ago
What is the resultant pressure if 1.7 mol of ideal gas at 273 K and 2.79 atm in a closed container of constant volume is heated
dedylja [7]

Answer: The resultant pressure is 3.22 atm

Explanation:

Gay-Lussac's Law: This law states that pressure is directly proportional to the temperature of the gas at constant volume and number of moles.

P\propto T     (At constant volume and number of moles)

\frac{P_1}{T_1}=\frac{P_2}{T_2}

where,

P_1 = initial pressure of gas  = 2.79 atm

P_2 = final pressure of gas  = ?

T_1 = initial temperature of gas  = 273K

T_2 = final temperature of gas = 315 K

\frac{2.79}{273}=\frac{P_2}{315}

P_2=3.22atm

Thus the resultant pressure is 3.22 atm

6 0
2 years ago
ASAP
Nadya [2.5K]

Answer:

12 %

Explanation:

Produces 15 J of work for input 125 J

15/125 * 100% = 12%

5 0
1 year ago
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