1) Chemical reactions produce new substances
Ans (d)
2) The symbol, Δ in a chemical reaction means that heat of supplied to the reaction.
Ans (a)
3) A skeleton equations does not show the reaction stoichiometry, i.e. the relative amounts of reactants and products.
Ans (d)
I think the answer you are looking for is .18 moles
The correct answer among all the other choice is B. molecule. The molecule is the smallest particle of water. All the other options are wrong. Thank you for posting your question. I hope this answer helped you. Let me know if you need more help.
Answer:
Odor is property doesn't change for all substance
Answer:
The answer is <u>60300000</u>
Explanation:
The standard notation is the counterpart of the scientific notation, while the scientific notation tries to make the number smaller by using exponential numbers with base 10, the standard notation leaves them as whole numbers or decimal numbers.
Example: 5x10∧3 is written in standard notation as 5000; Where 3 tells us the amount of 0 that follows the whole number.
2.05x10∧2 is = 205 in standard notation; Where the 2 tells us the number of times the comma is moved to the right.
