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Volume can be measured by displacement of a liquid. An object is an irregular shape and has a mass of 112.14 g. You put this object into a 100 mL graduated cylinder containing 35.5 mL of water, and the water level rises to 74.0 mL. What is the density of the object?
A ten L Dewar containing liquid nitrogen tips over in your car while you are transporting it. If it completely vaporizes what volume of Nitrogen gas will be produced at 1 atm and 20 degrees C
Consider the following equilibrium 2SO2 + O2 yields 2SO3 The equilibrium cannot be established when is/are placed in a 1.0L container
For the reaction 2CH2O(g) + O2(g) ? 2HCOOH(l), if 4.19 × 1022 molecules of formaldehyde (CH2O) react with excess oxygen, what is the theoretical yield of formic acid (HCOOH)
How many grams of CaH2 (Molar Mass = 42.1 g/mol)are needed to generate 10.0 L of H2 gas if the pressure of H2 is 769 torr at 28.0°C?
How do I know how many subshells each letter has (s, p, d, f) and how do I know how many electrons can be found in each subshell. E.g. why does 4f have 14 electrons
Explain how the company might change its accounting system to reflect the reporting problems better? Are there other problems with the purchasing area?
CaCN2 + 3 H2O → CaCO3 + 2 NH3 . How much NH3 is produced if 187 g of CaCO3 are produced?
What is the molarity of a potassium triiodide solution, KI3(aq), if 30.00 mL of the solution is required to completely react with 25.00 mL of a 0.500 M thiosulfate solution, K2S2O3(aq)
If the dose of Na2CO3 is 100 mg/L , the volume of EDTA is 9.5 mL and the total hardness is 95 mg/L as CaCO3 calculate the % total hardness removed.
lead is found in earths crust as several different lead ores. suppose a certain rock is composed of 38.0 pbsgalena 25.0
What gas escaped during the sodium bicarbonate washing? Write balanced equations for two reactions that took place during this operation. Experiment: Preparation of synthetic banana oil
Question- A kitchen pressure cooker operates at 1.50 atm. The delta Hvap of water is 40.7 kJ/mol. What is the boiling point of water in the pressure cooker
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