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asambeis [7]
3 years ago
8

Which row probably contains the largest atoms on the periodic table?

Chemistry
1 answer:
svp [43]3 years ago
7 0
The last row going across
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Predict the products of the reaction below
Mrrafil [7]

Answer:

HNO₃ + NaOH ---> NaNO₃ + H₂O

Explanation:

This reaction appears to be a double-displacement reaction. In these reaction, the cation of one compound is swapped with the cation of another.

As such, the hydrogen cation (H⁺) from HNO₃ is swapped with the sodium cation (Na⁺) of NaOH.

Luckily, all of the cations have a +1 charge and the anions have a -1 charge. This means that no coefficients are necessary to balance the reaction.

The <u>complete balanced </u>equation is:

HNO₃ + NaOH ---> NaNO₃ + H₂O

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2 years ago
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The answer is 3.25 x 10 -3 kg is not equal to 325 cg
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Write a hypothesis about the effect of dry conditions on earthworm behavior. Use the "if . . . then . . .
Vlada [557]

sorry about the late response...

<u>If an earthworm is exposed to dry conditions, then it will retreat to a moist place because its skin needs to stay moist for the earthworm to survive.</u>

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3 years ago
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ANSWER ASAP! PLEASE!!!!!
Rina8888 [55]
C. Also just look up a chemical equation balancer calculator next time.
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4. Energy can be conserved by -
mart [117]

Energy can be conserved by efficient energy use.

Answer: Option A

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Energy can be transferred from one form to another, but it cannot be destroyed or created. So it can be conserved if efficiently used. Thus efficient usage of energy lead to conservation of energy. Due to conservation of energy, the forces can be renewable and non-renewable.

So, we should know how the input energy can be completely converted to another form of energy leading to efficient usage of energy without any loss. As if there is no loss, input energy will be equal to output energy leading to 100% efficiency.

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