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3 years ago

Which organelle’s function is NOT correct?

1 answer:

5 0

The answer is the last one, “The cell membrane is the only source of support and structure in plant and animal cells.” That is false because plant cells have a cell wall and cell membrane while animal cells only have a cell membrane.

Hope this helps:)

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If the density of mercury is 13.6g/ml, how many ml of mercury are in 1,000 g of mercury?

Illusion [34]

Answer:

Explanation:

The volume of a substance when given the density and mass can be found by using the formula

$volume = \frac{mass}{density} \\$

From the question we have

$volume = \frac{1000}{13.6} \\ = 73.52941...$

We have the final answer as

Hope this helps you

6 0

3 years ago

If a decrease in temperature accompanies a reaction, what occurred?

Sliva [168]

Answer:

Energy was released

Explanation:

Decrease in temperature means less energy, but the energy had to have been transferred because energy can't be destroyed or created. So if the temp. went down, energy must have been lost. (If it had been absorbed, the temp. would have gone up)

3 0

3 years ago

Read 2 more answers

For a particular experiment, Nadia must measure the following quantities:

g100num [7]

Graduated cylinder
Stopwatch
Thermometer

4 0

3 years ago

Read 2 more answers

Part A

den301095 [7]

Answer:

$n_{Cl_2}=0.3molCl_2$

Explanation:

Hello there!

In this case, according to the given chemical reaction whereas the sodium chloride is in a 2:1 mole ratio with chlorine, the required moles of the later are computed as shown below:

$n_{Cl_2}=0.6molNaCl*\frac{1molCl_2}{2molNaCl}$

So we cancel out the moles of NaCl to obtain:

$n_{Cl_2}=0.3molCl_2$

Best regards!

3 0

3 years ago

What are the covalent bonds called that form between atoms of different electronegativities?

ZanzabumX [31]

Polar bonds are formed between atoms of different electronegativities.

5 0

3 years ago