If all of the forces acting on a car are balanced, then:

A. the direction the car is moving will not change.

B. the car will speed up.

c. the velocity of the car will increase.
D. the acceleration of the car will be negative.

Which of the following is true for the actual yield of a reaction? it is always calculated as a ratio. it is the yield from the excess reactant. it is the yield from the limiting reactant. it is always less than the theoretical yield.

The table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 10 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.

What mass of natural gas (ch4) must you burn to emit 276 kj of heat?