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A bottle containing 305 g of cleaning solution is used for carpets. If the cleaning solution has a specific gravity of 0.850, what volume of solution was used?
Determine delta H of this reaction (kJ/mol H 2 SO 4 ) - When 24.4 mL of 0.500M sulphuric acid ,H 2 SO 4 is combined to 24.4ml of 1.00M potassium hydroxide KOH in a coffee cup calorimeter
The rate law is : Rate = k [ I-]^a [ BrO3 -]^b [H+]^c Reaction time in run number 1 31 Reaction time in run number 2 31 Reaction time in run number 3 15 Reaction time in run number 4 15 Calculate the following The k in the rate law The activation ..
How many grams of NH4Cl must be added to 0.490 L of 1.00 M NH3 solution to yield a buffer solution with a pH of 8.90?
The freezing point of the solution decreases by 0.905 ° C compared to that of the pure solvent. What is the molar mass of the unknown solid. The freezing point depression constant for benzene is 5.46° C/m.
Given the following balanced equation: TiCl4 + 4NaH --> Ti + 4NaCl + 2H2. How many grams of NaCl will be produced from 15.0 g TiCl4 by using sufficent NaH
To determine the freezing points of distilled water, 1m glucose, 1m NaCl, 1m CaCl2. Use the freezing point of the pure water as a baseline to determine deltaTf for each of the solutions
Predict the products when 1-propanol is heated in the presence of an acid. please include a picture of it. Really appreciate it.
A 0.0989 g sample of an alcohol is burn in oxygen to yield 0.2160 g Co2 and 0.1194 g H2o. Calculate the mass percentage of C, H, and O in the compound
Suppose that 24 of each of the following substances is initially at 29.0. What is the final temperature of gold upon absorbing 2.30 of heat?
Oxalic acid, H2C2O4 has acid dissociation constants Ka1 = 5.9 x 102 and Ka2 = 6.4 x 105. What is the pH after 20.00 mL of 0.0500 M NaOH is added to 5.00 mL of 0.2000 M H2SO3
the humidity in the room is high. how will this affect the reported molar concentration of the hydrochloric acid solution? Will it be too high, too low, or unaffected
The water level in a graduated cylinder initially at 217 rises to 286 after a piece of lead is submerged. What is the mass in grams of the lead?
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