The bottom of a box has a surface area of 25.0 cm2. The mass of the box is 34.0 kilograms. Acceleration due to gravity at sea level is 9.80 m/s2. What pressure is exerted by the box where it rests?

How many neutrons are in a single atom of 48ti?

Compared to the charges of a proton the charge of an electron has 1. a greater magnitude and the same sign 2. a greater magnitude and the opposite sign 3. the same magnitude and the same sign 4. the same magnitude and the opposite sign

Which of the following do not involve a direction Check all that apply. A. Velocity B time C acceleration D distance Note: chose 2 answer

Ka for hydrofluoric acid, HF, is 7.20E-4. Ka for phenol (a weak acid), C6H5OH, is 1.00E-10. Ka for acetylsalicylic acid (aspirin), HC9H7O4, is 3.00E-4. What is the formula for the strongest conjugate base?

For thermometer to read the correct temperature correctly they must be?

White light, which consists of all frequencies, forms which type of spectrum?

Identify each statement as true or false. Rewrite false statements to make them correct. Sedimentary rock can be formed from changes in igneous rock, but igneous rock cannot be formed from changes in sedimentary rock.

What is the total number of atoms in this formula? NaHCO3

Which of the following are electrostatic interactions of permanent dipoles in polar molecules? A. Ion-dipole forces B. Hydrogen bonding C. Dipole-dipole forces D. London dispersion forces

Assuming the octet rule is obeyed, how many bonds and how many lone pairs will atoms of oxygen (o) and nitrogen (n) have in order to have formal charges of + 1?