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pickupchik [31]
3 years ago
6

Use mass number in a sentence

Chemistry
1 answer:
luda_lava [24]3 years ago
7 0
Mass number is apart of (what ever subject it is)
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Find the velocity of a swimmer who swims exactly 220 m toward the shore in 72 s.
Aleksandr-060686 [28]

Answer: 3.06m/s

Explanation:

Distance covered by swimmer = 220 m

Time taken by swimmer = 72 s.

Velocity = ?

Recall that velocity is the rate of change of distance per unit time. it is measured in metres per second.

Velocity = Distance / time taken

Velocity = 220m / 72seconds

Velocity = 3.055 m/s (approximate to 3.06m/s)

5 0
3 years ago
Identify ALL the possible mol ratio from<br> this balanced equation:
grandymaker [24]

Answer:

\frac{1 mole of N_{2} }{3 moles of H_{2} }

Explanation:

The equation of the reaction:

   Nitrogen gas N₂ reacts with Hydrogen as H₂ to produce ammonia NH₃;

 

          N₂    +    H₂    →    NH₃  

 The balanced equation is ;

        N₂    +    3H₂    →    2NH₃  

The mole ratio is the ratio of the coefficients of the combining reactants;

   1 mole of N₂ combines with 3 mole of H₂;

So;

      \frac{1 mole of N_{2} }{3 moles of H_{2} }

3 0
3 years ago
Question 3<br> Which is the simplest form of a crystalline solid?
lora16 [44]

Answer:

metals is the simplest form of crystalline solid

4 0
3 years ago
From point A to point B, the car will . From point B to point C, the car will . Assuming the washer on the car is not blocked by
Natali5045456 [20]

Answer:

Accelerate, Have Constant velocity, Velocity, and First

Explanation:

Got it right on edge. have a wonderful day!!!

5 0
3 years ago
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Pliss HELP ME only if you know the answer <br>​
Nadusha1986 [10]

Answer:

100 and 1 atm

Explanation:

I think the gas is given kinetic energy only from its temperature

7 0
3 years ago
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