The distance from the earth to the sun is how many light years

A) Exactly one light year

B) Any number of light years

C) Less than one light year

D) More than one light year

Use the van der Waals equation to calculate the pressureexerted by 1.000 mol of Cl2 in 22.41 L at 273 K. The van der Waals constants for Cl2 are: a = 6.49L2 atm/mol2 and b =.0562 L/mol.

Which of the following is the basis Rutherford's planetary model a positively charged electrons orbit a positively charged nucleus B positively charged electron a negatively charged nucleus C negatively charged electron orbit a positively charged

What is the electron configuration for a neutral atom of fluorine.

If 4.55 mol of calcium carbide (CaC2) reacts with an excess of water, how many moles of acetylene (C2H2), a gas used in welding, will be produced?

What is displacement reaction?

Analytical chemists can detect very small amounts of amoin acids, down to 3x10^-21 mol. how many molecules of an amino acid (mr=200) would this be?

Are Nighthowlers real and are they poisonous

An atom had a mass of 43 and it also has has 21 electrons

What is the pH of a 3.40 mM of acetic acid, 500 mL in which 50 mL of 1.00 M NaOAc has been added? Ka HOAc is 1.8 x 10-5? What percentage of the acid is dissociated?

Round 100.1 C to 1 significant figure