Answer:
CO2 + MgO
Explanation:
We want the number of each element on the Reactants (Left side) to be equal to the number of each element on the Product side (Right side).
One chemical change would be baking the muffin.
One physical change would be chopping the fruits to add to the mixture
Answer:
Velocity
Explanation:
Velocity is a vector quantity that mentions the direction of the object(north, south, etc..) speed is not a vector quantity.
I think this is the answer, I hope this helps!
6.4 times 10^-7 is the answer because you are moving your decimal places to the left so it will be negative 7
Answer:
Option D = 0.2 Kj
Explanation:
Given data:
Mass of diethyl ether = 1.0 g
Hvap = 15.7 Kj / mol
Heat absorbed = ?
Solution:
Q = mass × Hvap / molar mass
Q = 1.0 g × 15.7 Kj / mol / 74.12 g/mol
Q = 15.7 Kj / 74.12
Q = 0.212 KJ
