A 2100 kg car is speeding up at 10 m/s2 down a 500m on-ramp to the highway. What is the force exerted on the car?

What is not true about radiation? it travels out in all directions from its source. it is one of three methods of heat transfer. it needs a medium through which to travel. description?

What basic law of chemical reactions do nuclear reactions break

Which branch of chemistry studies the composition of substances

Which of the following leads to a higher rate of effusion? a. Cooler gas sample b. Lower molar mass c. Slower particle movement d. Reduced temperature

What is the formula unit for potassium sulfide

How many covalent bonds does oxygen form if each of its unpaired electrons participate in one bond?

What can be concluded if an ion of an element is smaller than an atom of the same element?

At stp how many liters of nh3 can be produced from the reaction of 6.00 mol of n2 with 6.00 mol of h2?

In an experiment, the density of an unknown liquid was calculated to be 0.78 g/ml. if the accepted value is 0.75 g/ml, calculate the percent error made.

Given:A (g) + 3B (g) ⇋ C (g) + 2D (g) 1.0 mole of A and 1.0 mole of B are placed in a 5.0-liter container. After equilibrium has been established, 0.50 mole of D is present in the container. Calculate the equilibrium constant, Kc, for the reaction.