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3 years ago

___________ have a charge of +1.

Chemistry

1 answer:

stiv31 [10]3 years ago

3 0

Answer:

B) Protons

Explanation:

A proton has positive charge of 1.
Electrons are the negatively charged particles of atom.
An atom consists of a positively charged nucleus surrounded by one or more negatively charged particles called electrons
To find the ionic charge of an element you'll need to consult your Periodic Table. On the Periodic Table metals (found on the left of the table) will be positive. Non-metals (found on the right) will be negative.

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Which of these processes are chemical reactions?

Shkiper50 [21]

Answer:

where are the processes? can u please put the whole text in?

Explanation:

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3 0

3 years ago

Read 2 more answers

2 Points

Katarina [22]

Convection currents in air

Explanation:

The convection currents in air tends to blow out winds towards the water at night.

Convection is a mode of heat transfer commonly found in fluids.

It involves the movement of the particles due to differences in temperature and density of the air.

The land and water heats at different rate.
The land absorbs and loses heat quickly because it is a good conductor of heat.
At night, the shore area is cold.
The air around is very dense and close to the surface.
This air mass moves towards the surface of the ocean.
The ocean has high specific heat capacity and takes a long time to heat and cool.
At night, as it is loosing heat, the air around warms up and rises shifting land ward.
This movement of cold and dense air from land and the attendant movement of warm air to the land sets up convection currents in the air.

learn more:

Heat transfer in the sun brainly.com/question/1140127

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3 years ago

1. How would you use your results to tell the relative ages of the rock layers in a new section of strata?

DanielleElmas [232]

Answer:

The more worn-out the rock is, the older it is

Explanation:

Hello,

The different layers a rock has could be useful to date it, as long as the deepest layers account for the oldest rocks because they haven been worn out due to erosion and others natural events. Thus, one can say that the more worn-out the rock is, the older it is when we want to analyze a new section of strata.

Best regards.

8 0

4 years ago

Be sure to answer all parts. Consider both 5-methyl-1,3-cyclopentadiene (A) and 7-methyl-1,3,5-cycloheptatriene (B). Which label

LuckyWell [14K]

I don’t have a picture but I can describe it to you.

The hydrogen that is attached at the tertiary position on the heptatriene (at the 7-methyl) would be very acidic, as removal would leave a positive charge that could be moved throughout the ring through resonance. This would mean that the three double bonds would be participating in resonance, and the deprotonated structure would be aromatic, thus making this favorable.

The hydrogen that is attached at the tertiary position on the pentadiene (5-methyl) would NOT be acidic, as removal would cause an antiaromatic structure.

Any other hydrogens would NOT be acidic. Those vinylic to their respective double bonds would seriously destabilize the double bond if removed, and hydrogens attached to the methyl group jutting off the ring have no incentive to leave the carbon.

Hope this helps!

6 0

3 years ago

To maximize the yield in a certain manufacturing process, a solution of a weak monoprotic acid that has a concentration between

stira [4]

Answer: C 115 ml

Explanation:

If you have a solution of a monoprotic acid, it means that it has the form HA (just one Hydrigen atom). Therefore, one molecule of acid is going to react with just one molecule of NaOH.

So, if you have a solution of 100 ml of 0,2 HA acid, it is going to react with a 100 ml of 0,2 M NaOH solution. Beacause we know that the acid can be a little more concentrated than 0,2 M (0,2-0,3), it probably needs a little more than 100 ml of NaOH to react. So, the answer is C.

in 100 ml of 0,2M acid you can find 0,002 mol of HA

in 100 ml of 0,3 M acid you can find 0,003 mol of HA

in 100 ml of 0,2 M NaOH you can find 0,002 mol of NaOH

the answer can not be 200 because in 200 ml of 0,2 M NaOH there are 0,004 mol of NaOH, which is more than 0,003 mol.

0 0

3 years ago