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what is the molecular formula and empirical formula of NH2Cl, molar mass = 51.5 g/mol
Solubility of Terpin Hydrate for Chemistry Students, what is the structure of terpin hydrate and is it more soluble or less than starting material?
The density of benzene at 15C is 0.8787 g/mL. Calculate the mass of 0.1500 L of benzene at this temperature.
Compute the number of moles of Chlorine atoms in 3.01×10^24 formula units of magnesium chloride,MgCl2 .
Description of Chemical Reactions, Why when heating and cooling three different separate substances in open containers does the mass change in two of them (one loss mass; the other gained mass) but stays the same in the third when it is known that..
Do all ionic compounds dissolve in water, Do all covalent compounds dissolve in water? answer should be 50 to 100 words.
Give the number of electrons, Protons and neutrons in 24NA and give the electron configuration of the following A: A1 B: F- (- is at the top)
A solution of NaOH(aq) contains 11.6 grams of NaOH in 129 mL of solution. Calculate the pH at 25C.
C3H8 + 5O2 reacts to yield 3CO2 + 4H2O +488 kJ What is the heat released if 2.5 moles of C3H8 reacts completely with oxygen?
25 mL of 0.3 M HCl are diluted to 500 mL. What is the molarity of the resulting HCl solution.
a 35.00 mL sample of NaOH solution is titrated to an endpoint by 14.76 mL of 0.4122M HBr solution, what is the molarity of the NaOH?
Metallic magnesium reacts with steam to produce magnesium hydroxide and hydrogen gas. If 17.1 g of Mg are heated with 9 g of H2O, what is the limiting reactant.
If a 484 mL sample of gas at 232 °C is allowed to expand (at constant pressure) to a volume of 494 mL, what will be the new temperature (in °C).
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