The balanced chemical equation for the reaction of copper (Cu) and silver nitrate (AgNO3) is shown
below.
Cu + 2AgNO3 + 2Ag + Cu(NO3)2
How many moles of copper must react to form
0.854 mol Ag?
mol Cu

Which of the following best explains why the end of a spoon sticking out of a cup of hot water also gets hot? question 7 options: the heat from the hot water is conducted through the spoon handle the hot water heats the air surrounding the upper part of the spoon. the hot water causes a physical change in the spoon handle. the hot water causes a chemical reaction to take place in the spoon.

Which supports the idea that birds and butterflies both have wings but they do not have a common ancestor with wings? a. the wings are analogous structures that evolved differently and do not have a similar internal structure. b. the wings are homologous structures that evolved differently and do not have a similar internal structure. c. wings of birds are vestigial structures, but the wing structures of bats are not vestigial. d. wings of bats are vestigial structures, but the wing structures of birds are not vestigial

What is the number of moles of chemical units represented by 9.03x10^24? and how do i show work? (dumb it down )