Answer:
CO2; H2SO4; NaCl
Explanation:
Compounds are substances containing different elements!
since F2 and N2 only has the element flourine ; nitrogen
1) The electrons that travel down the electron transport chain come from the NADH and FADH2 molecules produced in the three previous stages of cellular respiration : glycolysis, pyruvate oxidation, and the <span>citric acid cycle.
</span>2) At the end of the electron transport chain is the Oxygen that will accept
electrons and picks up protons to form water.
If the oxygen molecule is not there the electron transport chain
will stop running, and ATP will no longer be produced.
Answer:
∆H is negative
∆S is negative
Explanation:
The condensation of CS2 implies a phase change from gaseous state to liquid state. The energy of the gaseous particles is greater than that of the liquid particles hence energy is given out when a substance changes from gaseous state to liquid state hence the process is exothermic and ∆H is negative.
Changing from gaseous state to liquid states leads to a decrease in entropy hence ∆S is negative. Liquid particles are more orderly than particles of a gas.
Answer:
Percent yield of carbon monoxide is approximately 38%.
Explanation:
Given reaction : C + SiO₂ → Si + CO
On balancing it : 2C + SiO₂ → Si + 2CO
⇒ 2 mole of carbon produces 2 mole of carbon monoxide
or 2×12=24 g of carbon produces 2×(12+16)=56 g of carbon monoxide
⇒ Expected yield of carbon monoxide when 32.5g of carbon is heated with silicon dioxide is 32.5×
⇒ Expected yield = 
= 75.8 g
Actual yield is given as 28.8 g
⇒ The percent yield of carbon monoxide = 
×100
= 
×100
≅<u>38%</u>
