About 75% of living matter is made up of which two essential chemicals?

A cyclist moves 12 m/s and takes 3 s to change his speed to 6 m/s. What is the cyclist's acceleration?

Given the following electronic configurations, identify how many valence electrons each atom has. A = B = C = Identifying Valence Electrons

Use a Punnett square. In rabbits, black fur is dominant over white fur. What percentage of offspring will be white if a heterozygous male and homozygous dominant female have offspring? Question 1 options: 50% 100% 25% 0%

What effect will spraying liquid water into the equilibrium given below have if NH3 is far more soluble in water than is N2 or H2? N2 (g) + 3H2 (g) 2NH3 (g) A) More NH3 (g) will form. B) More H2 (g) will form. C) Less NH3 (g) will form.

For which of the following reactions will the reactant experience the largest degree of decomposition upon reaching equilibrium at 500 K? A) 2NO2F (g) - -> 2NO2 (g) + F2 (g); Kp = 6.6 10-22 B) 2SO3 (g) - -> 2SO2 (g) + O2 (g); Kp = 1.

What causes the subduction zone when an oceanic plate collides with a continental plate

Which of the following compounds is not ionic? a. nai b. cacl2 c. co2 d. na2o

What distinguishes an independent variable from a dependent variable!

What type of sedimentary rocks are found in beaches?

Which is made by weathering? A. sediments B. minerals C. ash D. magma