Chemical reactions -

a. produce new substances.

b. create and destroy atoms.

c. occur only in living organisms.

d. only occur outside living organisms.

Which describes mid-oceanic ridges? A. transform plate boundary between oceanic plates B. convergent plate boundary involving an oceanic plate C. divergent plate boundary in oceanic plates D. divergent plate boundary in a continental plate

Explain the statement "atomic weight or molecular weight is a relative weight"

Boom! Boom! Boom! The car passed Steve's house and the blaring music from the car's radio rattled the windows. How would a scientist explain this to Steve? A) Sound waves reflected off of the windows of the house.

Calculate the number of grams of C2H6 in 4.6 miles of C2H6

What is the relationship when as the independent variable increases the dependent variable decreases?

Lithium, beryllium, and boron are elements with atomic number 3, 4, and 5, respectively. Even though they are three of the five simplest elements, why are they rare compared to many heavier elements?

What is the formula equation for: Copper (II) Sulfate Pentahydrate - > Copper (II) Sulfate + Water?

what combination will result in a acidic solution? a reaction of strong acid and strong base b reaction of strong acid and weak base c a reaction of weak acid and strong base d reaction of weak acid and weak base

How many moles of sucrose (C12 H12 O11) would be in 7.1 liters of a 0.93 molarity solution of sucrose?

If the temperature is constant what change in volume would cause the pressure of an enclosed gas to increase by a factor of 4