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lidiya [134]
3 years ago
5

Neutrons are found in the nucleus and separate the other particles so that the strong force can hold the nucleus together. Which

particles are positively charged and need to be separated so that they don't repel? A) electrons B) neutrons C) protons D) quarks
Chemistry
2 answers:
Elza [17]3 years ago
6 0

Answer : The correct answer is C) protons

The positively charged particle found in nucleus are protons . They need to be kept separated as if the protons of two different particles are brought together , due to same charge they will repel each other.

If electrons are considered , they carry negative charge on them and they are present outside nucleus . Neutron have no charge on it although they are present in nucleus .

Quarks are present in both neutrons and protons . They carry both positive and negative charges .

Hence we can say protons are the positively charges particles which need to be separated .

fiasKO [112]3 years ago
3 0
The answer is protons(it always has a positive charge)hope that helps. :)
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Determine the mass of 10g of CaCO3​
NISA [10]

Answer:

= 100u. Hence 10 g = 0.1 mole. Hope it's helpful to u

3 0
2 years ago
How many pounds of ice are required to absorb 4900 kJ of heat as the ice melts? The heat of fusion of water is 0.334 kJ/g.
Goshia [24]

Answer:

m = 32.34 pounds of ice.

Explanation:

In this case we need to use the following expression of heat:

q = m * ΔHf   (1)

Where:

q: heat absorbed in J or kJ

m: mass of the compound in g

ΔHf: heat of fusion of the water in kJ/g

We are asked to look for the mass of ice in pounds, so after we get the grams, we need to convert the grams to pounds, using the following conversion:

1 pound --------> 453.59 g   (2)

So, we have the heat and heat of fusion, from (1) let's solve for the mass, and then, using (2) the conversion to pounds:

q = m * ΔHf  

m =  q / ΔHf

m = 4900 / 0.334 = 14,670.66 g of ice

Now, the conversion to pounds:

m = 14,670.66 g * 1 pound/453.59 g

<h2>m = 32.34 pounds of ice.</h2>

Hope this helps  

5 0
2 years ago
In an electroplating apparatus, where does the reduction reaction occur?
Ludmilka [50]

Answer:

on the surface of the cathode

6 0
1 year ago
A student found that the titration had taken 10.00 ml of 0.1002 m naoh to titration 0.132 g of aspirin, a monoprotic acid. calcu
Harman [31]
The balanced equation for the reaction between NaOH and aspirin is as follows;
NaOH + C₉H₈O₄ --> C₉H₇O₄Na + H₂O
stoichiometry of NaOH to C₉H₈O₄ is 1:1
The number of NaOH moles reacted - 0.1002 M / 1000 mL/L x 10.00 mL 
Number of NaOH  moles - 0.001002 mol
Therefore number of moles of aspirin - 0.001002 mol
Mass of aspirin reacted - 0.001002 mol x 180.2 g/mol = 0.18 g
However the mass of the aspirin sample is 0.132 g but 0.18 g of aspirin has reacted, therefore this question is not correct.

4 0
3 years ago
Read 2 more answers
9. Which one of the following is not a potential effect of global warming?
valentina_108 [34]

Answer:

D. Increase in UV radiation​

Explanation:

I hope it helps. brainliest pls

5 0
1 year ago
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