Look at the chemical equation: zn + 2hcl → zncl2 + h2 how many atoms of hydrogen (h) are present on both sides of the equation?

If 22.5 of nitrogen at 748 mm hg are compressed to 725 mm hg at constant temperature. what is the new volume?

The question is on the picture, plz i'm confused! you!

Janelle thinks that genetic engineering could be used to make a larger fruit rather than cloning the fruit. which would best support her point of view? genetic engineering does not cost as much. genetic engineering does not result in genetically identical organisms. genetically engineered foods never cause allergies in people. genetically engineered foods have not been modified.