What is the term used to describe the energy needed to get a reaction started?

a. adhesion energy

b. activation energy

c. cohesion energy

d. chemical energy

According to recent research ice skaters are able to glide smoothly across the ice because

What is the volume of 7.25 g of oxygen gas at STP?

Is hair abiotic or biotic

Bamboo can grow up to 60.0 cm/day. Convert this growth rate into inches per hour

When current increases and resistance remains constant what must happen to voltage? Voltage must decrease. Voltage must increase. Voltage will remain the same. Voltage is not affected by current and resistance light 1 loại roht 3

How many liters of 0.85 M HCl solution would react completely with 3.5 moles Ca (OH) 2?

The specific heat of aluminum is 0.897 J/g•°C. Which equation would you use to calculate the amount of heat needed to raise the temperature of 0.75 g of aluminum from 7°C to 29°C? A. Q = 0.75 g x 0.897 J/g•°C x 22°C B. Q = 0.75 g x 0.

Carbon dating advisable for measuring materials ages for a few years, thousands of years, millions of years

What is the pH of a solution with [H+] = 7.0 x 10^-2?

A compound is a pure substance made of 2 or more types of elements that are chemically bonded True or false