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Write the balanced chemical reaction for the reaction between hydrochloric acid (HCl) and calcium hydroxide, Ca(OH)2 when the products of the reaction are calcium chloride, (CaCl2) and water (H2O)
Arrange the following in order of increasing basicity: a) ch3nh2, ch3nh3+, ch3nh- b) ch2o-, ch3nh-, ch3ch2- c) ch2ch(triple-bond)ch-, ch3ch2ch2-, ch3c(trip-bond)c-
Calculate the mass percent of a solution that is prepared by adding 32.2 g of NaOH to 262 g of H2O.
what number of grams of NaHCO3 in a .210 g piece of antacid would generate 38.0 moles of CO2, if the CO2 is measured at 20 degrees C and 1.00 atm.
Some watch dials are coated with a phosphor, like ZnS , and a polymer in which some of the first H atoms have been replaced by third H atoms, tritium.
calculate the mol O2 added in the air, using the fact that the N2 in the ?ue gas equals the N2 added in the air. Then make a carbon balance to obtain the total moles of C added.)
how many mL of 0.294 m sulfuric acid would it take to neutralize 61.71 mL of 0.519 M sodium hydroxide
At a given temperature the vapor pressures of benzene and toluene are 183mm Hg and 59.2mm Hg. Calculate the mole fraction of benzene in the vapor phase over a solution of benzene and toluene with Xbenzene=0.600
calculate the partial pressure. calculate the total pressure and volume in liters at stp of nitrogen helium and neon
Calculate the number of moles of ions present in 15.1 g of a solution that is 6.30% MgSO4 by mass. What formula do you use for this problem?
the open end of a melting point capillary tube allow you to measure the melting point of a compound that sublimes?
If 17.5 moles of an ideal gas occupies 0.0455 cubic meters at 70.5°C, what is the pressure of the gas?
an effective treatment for some cancerous tumors involves irradiation with fast neutrons. the neutrons from one
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