Question 2 How does an object become negatively charged

Chemistry

2 answers:

Annette [7]2 years ago

7 0

Answer:

It gains electrons.

Explanation:

Got it right on a quiz.

Alex2 years ago

4 0

When to positive atoms connect

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When a gas in a cylinder is compressed at constant temperature by a piston, the pressure of the gas increases. Consider the foll

Marizza181 [45]

Answer:

Answer below!!

Explanation:

The volume of a gas is inversely proportional to presure keeping the temperature the same.

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2 years ago

Apart from the formation of ethanol, You can't use alkenes direct hydration method to produce an alcohol where the OH group is a

emmainna [20.7K]

Wait a second...I am sorry I don't know the answer but I have something to tell you.
It is not necessary that in alcohols, OH should be at the end of a chain .

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A steam engine (assume a Carnot engine ) has an efficiency of 50.8%. If the waste heat has a temperature of 72.4 ◦C, what is the

Inessa05 [86]

Answer:

The temperature of the boiler is approximately 147.1 °C

Explanation:

A Carnot engine is an ideal engine that has the highest efficiency among all the engines because the second law of thermodynamics.That efficiency $\eta$ is:

$\eta=1-\frac{T_{c}}{T_{h}}$

with $T_{h}$ the temperature of the hot reservoir (the boiler temperature) and $T_{c}$ the temperature of the cold reservoir (the steam temperature). Solving for $T_{h}$ :