Multiple Choice
All of the statements below about chemical reactions are true except
A) elements in the reactants change into new product elements.
B) reactants change into products.
C) total mass remains unchanged.
D) atoms are neither created nor destroyed.
E) atoms in reactant molecules change partners to form new molecules.
Correct Answer:
Verified
Correct Answer:
Verified
Q6: "Anaerobic" means without<br>A) life.<br>B) exercise.<br>C) carbon.<br>D) air.<br>E)
Q7: Calculate the molar mass of phosphoric acid,
Q8: An average banana contains 0.422 grams of
Q9: What is the combining ratio of ethanol
Q10: A silver earring weighs 16.3 g. How
Q12: Choose the true statement.<br>A) Formation of covalent
Q13: Pictured here is the periodic table block
Q14: How many molecules are contained in 0.650
Q15: Ammonia reacts with oxygen to produce nitric
Q16: Pictured here is the periodic table bock