I think its the mass that changes but im not sure
Answer:
A) The reaction absorbs energy
This is because the before reading show the temperature of 20°C whereas the after reading show the temperature of 13 °C
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<em><u>MORE</u></em><em><u> </u></em><em><u>TO</u></em><em><u> </u></em><em><u>KNOW</u></em><em><u> </u></em></h3>
- The reaction in which energy is absorbed is known as <em><u>Endothermic</u></em><em><u> </u></em><em><u>reaction</u></em><em><u> </u></em>
- The reaction in which energy is releases is known <em><u>Exothermic</u></em><em><u> </u></em><em><u>reaction</u></em>
Answer:
Total no. of atoms in 0.25 moles of H2 are 3.01 × 10^23.
Explanation:
C because it makes the most sense
A. Carbon dioxide is released during cellular respiration