How much water needs to be added to an 18.0 M stock solution of sodium hydroxide in order to make 450.0 mL of 0.250 M sodium hydroxide solution?

Which of the gases behave the least ideal? Kr2, CO2, H2, CCl4, N2. All ages same temp and pressure

Compare and contrast mass and weight. How are they similar? How are they different?

What is silver? Hows it formed? Who created it? Make sure you include the year. At least 5 sentences for each.

If the pressure of a gas is 2.42 atm, what is its pressure in kPa?

An object has a velocity of 8m/s and a kinetic energy of 480 j what is the mass of the object

If 119.5 g of iron is mixed with 279.50 g of copper (II) nitrate, what is the limiting reagent for the reaction?

Write and balance the double replacement reaction between barium sulfate and titanium (II) oxide.

What do a Am radio, Fm radio, television and cell phones have in common. A.) they were all invented in the same year B.) they were all invented by the same scientist C.

Consider the reaction: 2 NO (g) + 5 H2 (g) → 2 NH3 (g) + 2 H2O (g) A reaction mixture initially contains 5 moles of NO and 10 moles of H2. Which set of amounts best represents the mixture after the reactants have reacted as completely as possible?

True or False: If you have 2 moles of water and 2 moles of carbon, you have the same number of molecules.