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Ammonia can be decomposed to give 3 parts by mass of hydrogen and 14 parts by mass of nitrogen. What mass of nitrogen is obtained if 1.27g of ammonia is decomposed?
determine the identity of the diatomic gas when a boy places 59.5 gm of a diatomic gas into a ten litres container at
A cylinder with a moveable piston contains 0.90 mol of gas and has a volume of 342 mL. What will its volume be if an additional 0.22 of gas is added to the cylinder?
Calculate the value of the equilibrium constant for the reaction that occurs when solid sodium oxalate is dissolved in water.
A patient weighs 146 pounds and is to receive a drug at a dosage of 45.0 mg per kg of body weight. The drug is supplied as a solution that contains 25.0 mg of drug per mL of solution.
Draw every stereoisomer for 1-bromo-2-chloro-1,2-difluorocyclopentane. Use wedge-and-dash bonds for the substituent groups, and be sure that they are drawn on the outside of the ring, adjacent to each other.
Calcium nitrate are mixed with 15.0 mL of 0.300 M potassium hydroxide, how many moles of calcium hydroxide will be expected to be made?
determine how many moles of cation are produced when 6.46 grams of nh4cl is dissolved?nbspcompute the difference in the
Describe the similarities and differences between gas-sensing potentiometric electrode and pH membrane potentiometric electrode
What is the pressure of a 10g sample of sulfur trioxide in atmospheres at a temperature of 20 degrees Celsius that has a volume of 50L
Vitamin D3 Vitamins are chemicals required by humans in small amounts and are not made within our bodies. Such chemicals must therefore be acquired from ones diet.
Fe 2+(aq) + 6CN- (aq) -->/
A solution of water (1.86) and glucose freezes at 3.95. What is the molal concentration of glucose in this solution? Assume that the freezing point of pure water is 0.00 .
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