Which two regions have the warmest sea surface temperatures according to the map?

Explanation: D and G

Answer:

[tex]\boxed {\boxed {\sf About \ 1.5 * 10^{24} \ atoms \ Si}}[/tex]

Explanation:

When converting from moles to atoms, we must use Avogadro's number. This number tells us there are 6.022 * 10²³ atoms in 1 mole. We can multiply this number by the number of moles.

First, we must set up Avogadro's number as a ratio.

[tex]\frac {6.022 \ * 10^{23} \ atoms \ Si }{1 \ mol \ Si}}[/tex]

Next, multiply the number of moles by the ratio.

[tex]2.5 \ mol \ Si *\frac {6.022 \ * 10^{23} \ atoms \ Si }{1 \ mol \ Si}}[/tex]

When we multiply, the moles of silicon will cancel.

[tex]2.5 * \frac {6.022 \ * 10^{23} \ atoms \ Si }{1}}[/tex]

Since the denominator of the fraction is 1, we can cancel it out too.

[tex]2.5 * {6.022 \ * 10^{23} \ atoms \ Si }[/tex]

[tex]1.5055 * 10^{24} \ atoms \ Si[/tex]

The original measurement (2.5 moles) has 2 significant figures (2 and 5). Therefore we must round to 2 sig figs. For this question, 2 sig figs is the tenth place.

The 0 in the hundredth place tells us to leave the 5 in the tenth place.

[tex]1.5 * 10^{24} \ atoms \ Si[/tex]

There are about 1.5 * 10²⁴ atoms of silicon.

Answer:

Tara does not think that Victor’s predictions are likely.

Explanation:

In order to submit the paper, he would need to be as accurate as he possible can, is Tara told him to do it again, it means that he may have made a few mistakes.

Answer:

3,4–diethylheptane

Explanation:

To name the compound given in the question above, the following must be obtained:

1. Determine the functional group of the compound.

2. Determine the longest continuous carbon chain. This gives the parent name of the compound.

3. Identify the substituent groups attached to the compound.

4. Give the substituent groups the lowest possible count by naming them alphabetically.

5. Combine the above to obtain the name of the compound.

Now, we shall name the compound given in the question above as follow:

1. The compound belongs to the alkane family since it has only single bonds.

2. The longest continuous carbon chain is 7 i.e the parent name of the compound is heptane.

3. The substituent group attached to the compound is ethyl (–CH2CH3). There are two ethyl groups attached to the compound.

4. The two ethyl group is at carbon 3 and 4 (i.e number from the right to the upper branch chain).

5. The name of the compound is:

3,4–diethylheptane.

Answer:

Acid Rain

Explanation:

Carbon dioxide lowers the pH in the atmosphere, causing it to become more acidic, which can lead to acid rain. This is also why the oceans are becoming more acidic as more carbon dioxide builds up.

If a substance has a relatively low melting point (below 400ºF), then it is either molecular polar or molecular non-polar

If a substance has a high melting point, then it is either metallic, covalent network, or ionic

The stronger a substance’s bonds, the higher its melting point

Answer:single displacement reaction

Explanation:

Answer:

A

Explanation:

It's know things

Answer:

Gregor mendel

Explanation:

He is considered by most the father of gentics

Answer:

It occurs when a gas passes through a tiny hole.

Answer:

Effusion is a term used to describe when a gaseous molecule in a container passes or escapes through a tiny/small hole. Effusion and diffusion are two properties of gases that are often used interchangeably, however, they differ.

Explanation:

Have a great day :)

Answer:

33. 8

Explanation:

Answer:

Radiation is the transfer of heat energy through space by electromagnetic radiation.

Explanation:

Radiation is the transfer of heat energy through space by electromagnetic radiation. Most of the electromagnetic radiation that comes to the earth from the sun is in the form of visible light. Light is made of waves of different frequencies.

Answer:

1

Explanation:

4 HBr + O2 → 2H 20 + 2Br 2

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