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hammer [34]
3 years ago
12

Examine the nuclear reaction: mc007-1.jpg. Why is this classified as a nuclear reaction rather than a chemical reaction? It is n

ot balanced. A new compound is formed. A change has occurred in a nucleus. A new element has been formed.
Chemistry
2 answers:
balu736 [363]3 years ago
7 0
It is a nuclear reaction since a change has occurred in the nucleus. In nuclear reactions the particles in the nucleus are changed and one element is transformed into another element when particles in the nucleus gained are lost. Unlike chemical reactions which involve the electrons in an atom, nuclear reaction involve the nucleus. A nuclear reaction may be a nuclear fission or nuclear fusion; An example of nuclear reaction is where two isotopes of hydrogen (tritium and deuterium) are fused together under high pressure and temperature, to form a more stable atom of helium. This is an example of nuclear fusion reaction.
Sedaia [141]3 years ago
3 0

Answer:

B/ the second option

Explanation:

This is the answer on e2020

CAN YOU MAKE ME BRAINLIEST

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I want the answers this questions in the photo
Bas_tet [7]

Answer to the first question is a decrease in the vapor pressure of the liquid

to the second question is C8H18

to the third question it decreases with increasing temperature

7 0
2 years ago
Calculate the kilojoules needed to heat 231 g of gold from 18 ∘C to 195 ∘C.
LuckyWell [14K]

5.27 kJ of heat are required to heat 231 g of gold from 18 °C to 195 °C.

We have 231 g of gold at 18 °C and supply it with heat to increase its temperature to 195 °C. We can calculate the amount of heat required using the following expression.

Q = c \times m \times \Delta T

where,

  • Q: heat
  • <em>c: specific heat capacity of gold</em> (0.129 J/g.°C)
  • m: mass
  • ΔT: change in the temperature

Q = \frac{0.129 J}{g.\° C}  \times 231 g \times (195 \° C - 18 \° C) = 5.27 \times 10^{3} J = 5.27 kJ

5.27 kJ of heat are required to heat 231 g of gold from 18 °C to 195 °C.

You can learn more about heating here: brainly.com/question/1105305

8 0
2 years ago
Which is the better indicator, hibscus or rose petals
ratelena [41]

Answer:

hibscus is a better indicator

7 0
3 years ago
Nitrogen gas consists of _____.
Anni [7]
Nitrogen gas consists of a diatomic nitrogen atom. So, the correct answer is B.
8 0
3 years ago
Read 2 more answers
The chemist discovers a more efficient catalyst that can produce ethyl butyrate with a 78.0% yield. How many grams would be prod
Vedmedyk [2.9K]

The grams that would be produced  from 7.70 g of butanoic acid and excess ethanol is 7.923grams

calculation

Step 1: write the chemical equation for the reaction

CH3CH2CH2COOH + CH3CH2OH →  CH3CH2CH2COOCH2CH3  +H2O

step 2: find the moles of butanoic acid

moles= mass/ molar mass

=  7.70 g/ 88 g/mol=0.0875 moles

Step 3:  use the mole ratio to determine the moles of ethyl butyrate

moles ratio of CH3CH2CH2COOH :CH3CH2CH2COOCH2CH3  is 1:1 therefore the moles of CH3CH2CH2COOCH2CH3 = 0.0875  x78/100=0.0683moles

step 4: find mass = moles x molar mass

 =  0.0683 moles  x116 g/mol=7.923grams

5 0
3 years ago
Read 2 more answers
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