If energy is shown on the product side of the equation, then the

1.

reaction

A.

is exothermic.

B.

is endothermic.

C.

does not require any activation energy.

D.

does not include

any

other product.

How many atoms are in 4 moles of copper Show your work for the calculation

One of the starting substances (ingredients) that is involved in a chemical reaction

Problem Page A jet airplane reaches 846. Km/h on a certain flight. What distance does it cover in 13.0 min? Set the math up. But don't do any of it. Just leave your answer as a math expression.

Where did a nuclear accident occur? A. Cairo, Egypt B. Pretoria, South Africa C. Edmonton, Canada D. Chernobyl, Ukraine

Suppose a thermometer has marks at every one degree increment and the mercury level on the thermometer is exactly between the 25 and 26 degree Celsius marks. We should properly report the temperature measurement as:

What diseases have increased public awareness of infection control over the past few years?

What type of reaction is sodium reacting with chlorine

1. If temperature is increased, the number of collisions per second

1. Tonic Bonds are a. Formed when a metal and nonmetal transfer electrons b. Formed when a nonmetal and nonmetal share electrons Formed when a metal forms || bonds with other like atoms d. Formed when noble gases lose electrons

Why does the sun appear to be the brightest star in the sky? A - Its apparent brightness is much greater than other stars. B - It burns more gas, making it brighter than any other star.