What is the main cause of earthquakes?

a. erosion of topsoil by rivers

b. large ocean waves called tsunamis

c. animals burrowing underground

d. movement of tectonic plates

Why would lava cool more quickly than magma?

Jimmy developed a model to show the difference between pure substances and mixtures

Why can you only add coefficients and not subscripts when balancing chemical equations? subscripts are not powerful enough to change the equation. adding subscripts adds more molecules to the equation.

A student preforms a chemical reaction in which 35 grams of hydrogen and 65 grams of oxygen reacted to form water. What is the mass of the products?

According to the chemical reac - tion, if there are 4.5 mol of oxy - genated hemoglobin present in an excess of carbon monoxide, how many moles of hemoglobin would release oxygen and bind to carbon monoxide?

31.65 mL volume of 1.07 M Fe (NO3) 3 is mixed with 44.96 mL of 0.79M Fe (NO3) 3 solution. Calculate the molar concentration of the final solution. Save rounding until the end.

At standard pressure, during which physical change does the potential energy decrease?

How are inner and outer planets different?

What process do body cells use to divide

Recall the postulates of kinetic molecular theory read the list and check all the statements that apply to behavior of an ideal gas