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Radda [10]
2 years ago
14

What number balances the equations?!

Chemistry
1 answer:
Maru [420]2 years ago
3 0

Answer:

2

Explanation:

your answer is correct. The overall balanced equation would be:

2Cu +2HNO3 ----> 2CuNO3 +H2

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Melinda filled two glasses equal size half-full with water. The water in one glass was 50 degrees Celsius. The water in the othe
Deffense [45]

Answer:

30 °C

Explanation:

When you pour water from one glass to the other, the heat energy will flow from the hot water to the cold.

You have equal masses of water in each glass. The hot water should cool down as much as the cold water warms up.

The final temperature should be halfway between the starting temperatures in each glass.

(10 °C + 50°C)/2 = 60 °C/2 = 30°C

The temperature of the full glass of water should be 30 °C.

5 0
4 years ago
Ocean waves observed to travel along the water surface during a developing storm. A coast guard weather station observes that th
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Wave speed is given by v= λ/T

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6 0
4 years ago
According to Newton’s Third Law, if someone jumps off a skateboard, the skateboard will roll backwards because -
Andrej [43]

Answer:

for the force that sent the person forward, there is an equal force pushing back on the skateboard

5 0
4 years ago
Pcl3+H2O=H3PO3+Hcl=?​
beks73 [17]

Answer:

PCl3 + 3H2O → HPO(OH)2 + 3HCl. Phosphorus(III) chloride react with water to produce phosphorous acid and hydrogen chloride.

Explanation:

7 0
3 years ago
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10. In what part of the world might you find Mystery Island (note: you will be given full-credit for simply attempting this ques
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Well countries near the quitter of warmer than countries than the poles. So the mystery island would probably be near the equator near Florida or in Florida
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