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Consider the reaction of magnesium metal with hydrochloric acid to produce magnesium chloride and hydrogen gas. If 3.72 mol of magnesium and 3.72 mol of hydrochloric acid are reacted, how many grams of excess reactant are left over?
Why is mercury being replaced by other liquids such as colored alcohol as the temperature-sensing fluid
Standard Temperature and Pressure of Chlorine, Chlorine is widely used to purify municipal water supplies and to treat swimming pool waters. Suppose that the volume of a particular sample of Cl2 gas is 8.70 L at 895 torr and 240C.
The elements X and Y form a compound that is 66.67% X and 33.33% Y by mass. The atomic mass of X is twice that of Y. What's the empirical formula?
Calculate the maximum number of grams of phosphorus trichloride that could be formed from 44.1 grams P subscribe 4.
Draw Lewis dot structure and predict molecular geometry - Show the Lewis structures of the following molecules and then predict their geometry.
What volume of hydrogen gas is produced when 62.0 g of sodium reacts completely according to the following reaction at 25 oC and 1 atm? sodium (s) + water (l) ----sodium hydroxide (aq) + hydrogen (g)
As space exploration increases, means of communication between humans and other planets are being developed
Draw on a P-V diagram the following processes. Label accurately each point in the four steps of the cycle using p,V,T for variables e.g. Va. The working substance is a perfect gas. Start from A. Show direction of change using arrow heads.
calculate the molarity (M) of the solution when water is added to prepare each of the following: a)25.0 mL of a 18.0 M HCl solution is diuted to 500 mL. b)50.0 mL of a 1.50 M NaCl solution is diluted to 125 mL. c)4.50 mL of a 8.50 M KOH solution i..
Assuming that the gas is at standard temperature and pressure there is 1.00 mole per 22.4 L of volume how many argon atoms are there present in this sign
Calculate the molecular weight of the unknown acid.
Important information about Degree of Unsaturation, Dieldrin, C12H8Cl6O, is a pentacyclic compound formerly used as an insecticide. Can you help me to calculate the degree of unsaturation
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