Answer:
37.5 g of H₂
Explanation:
N₂ (28g) + 3H₂ (6g) => 2NH₃ (34g)
Every 28g of N₂ needs 6g of H₂
=> Every 7g of N₂ needs 1.5g of H₂
=> 175g of N₂ needs 1.5 x 25 g of H₂
=> 37.5 g of H₂
Answer:
0.0069
Explanation:
When converting between scientific notation try to remember that moving the decimal place to the left is positve and to the right is negative
Since you are changing from scientific to standard you will need to move to the left from the decimal point, making your answer 0.0069
Correct answer: "A. Energy from an outside source is continuously being added."
An endothermic reaction is a reaction that is characterised by the system absorbing energy from its surroundings. That energy is usually in heat form. For example, when mixing water<span> with potassium chloride, this reaction will absorb heat and the container will feel cold - endothermic reaction.</span>
1s2 2s2 2p2 i hope this helps
