Answer:
A
Explanation:
4 grams reactant U+3 grams reactant V to 7 grams product W
1.) A compound is a thing that is composed of two or more (separate) elements.
2.) A compound cannot be separated easily, while its properties differ from where it originates from. It also is formed from chemical reactions.
3.) A pure substance, also known as chemical substance, is a material with constant composition and consistant properties.
4.) If a substance is not a pure substance, then it is an impure substance.
Hope this helped. :)
A centimeter(cm) is larger than a millimeter(mm).The tiny dashes are millimeters and there are ten millimeters in a centimeter so, the tiny dashes are millimeters that count as 1 and the slightly longer one is half of a centimeter meaning 5.
Does it make sense? :)
Answer:
Energy can't be created nor destroyed but it can be transformed
Explanation: