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Solid aluminum metal and diatomic chlorine gas react spontaneously to form a solid product. Give the balanced chemical equation (including phases) that describes this reaction.
Indicate the phases using abbreviation (s), (l), or (g) for solid, liquid, or gas, respectively.
How many moles of N2O3 are needed so that you have 2.55 x 1024 oxygen atoms.
How many grams of the solid can be formed from 268 g of calcium nitrate and 115 g of phosphoric acid?
What are the atomic orbitals used in the double part of the double bond If the C-C axis of the given molecule is the y axis, and the x axis is up and down in the plane of the paper,?
a 175.0g sample of a compound contains 56.15g C, 9.43g H, 74.81g O, 13.11g N, and 21.49g Na. What is the compound's empirical formula?
the temperature derivative of the entropy at constant pressure is related to what important,measurable physical quantity? Can this quantity ever be negative?And also recall how the curvature of a surface is related to the sign of a certain derivat..
A 270 mL stock solution contains 0.9 M Ca(CN)2. When 103 mL of the stock solution is diluted to 130 mL, how many moles of CN- ions will be contained in the dilute solution?
The activation energy of a certain reaction is 50.0 . At 22 , the rate constant is . At what temperature in degrees Celsius
at 1 atm, how much energy is required to heat 55.0 grams of water at -24.0 degrees Celsius to water at 157.0 degrees Celsius
solid NaI is slowly added to a solution that is 0.010 M in Cu+ and 0.010 M in Ag+. which compound will begin to precipitate first?
How much heat is required to warm 223 g of ice from -44.3°C to 0.0°C, melt the ice, warm the water from 0.0°C to 100.0°C, boil the water, and heat the steam to 173.0°C?
What is the concentration of the dilute aspirin? a. What is the concentration of the aspirin in the dilute aspirin solution? b. What is the concentration of the original solution ? C. How many mg of aspirin are present in one tablet of Brand Y asp..
A volume of 60.0 mL of aqueous potassium hydroxide(KOH)was titrated against a standard solution of sulfuric acid(H2SO4). What was the molarity of the KOH solution if 24.7 mL of 1.50M H2SO4 was needed? The equation is: 2KOH(aq)+H2SO4(aq)-->K2SO4(aq..
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