An iron atom has an atomic number of 26 and an atomic mass of 55.8 amu. How many protons does an iron atom have?

Calculate the mass percent of phosphorus in a strand of DNA that consists of equal amounts of each of the four N-bases.

The name for the compound LiClO2 is: lithium monochloride dioxide lithium chloride lithium chlorite lithium chlorate

A container holds 50.0ml of nitrogen at 25°c and a pressure of 736 mm hg. What will be it's volume if the temperature increases by 35°c.

The majority of jupiter is made of which form of matter? liquid metallic hydrogen liquid hydrogen (non-metallic) gaseous hydrogen rock, metals, and hydrogen compounds

Calculate the amount of heat needed to boil 183. g of ethanol (CH3CH2OH), beginning from a temperature of 33.9°C. Round your answer to 3 significant digits. Also, be sure your answer contains a unit symbol.

48g LiOH dissolved in 1.0 L of solution. calculate the molarity

A (g) + 2B (g) → C (g) + D (g) If you initially start with 1.00 atm of both A and B and find that at equilibrium 0.211 atm of C is present, what is the value of Kp for the reaction at the temperature the reaction was run?

Erwin Schrödinger developed the quantum model of the atom. What scientific knowledge was necessary for Schrödinger's work?

What is not needed in the chemical formula for a covalent compound a-display of positive and negative charges b-specific atoms put together in the compound c-how many of each atom are combined d-abbreviation for an atoms included

Are there more bones in the arm than in the leg?