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A 112.2510g irregularly shaped object is placed in a graduated cylinder that contains 25.0 cm cubed of water. What is the solids density if the new water level was 37.5 cm cubed
how do the tests on known solutions containing cations and anions make it possible for you to identify the cation or anions
Oleum or fuming sulfuric acid available commercially in concentrations ranging from 20 to 99.9% sulfur trioxide.
A mixture of gases contains 2.42 g of Kr, 4.58 g of Ar, and 5.74 g of NO2. What is the partial pressure in atm of each component of this mixture if it is held in a 11.5-L vessel at 31.3 oC? Use R = 0.0821 L-atm/mol-K as the value of the gas consta..
How many grams of Ba(OH)2 will be needed to neutralize 76 mL of stomach acid if stomach acid is 0.14 M HCl?
How many different types (sets) of hydrogens are there in 2,2-dimethylpentane
C4H10(g) + O2(g) CO2(g) + H2O(g) Consider the above unbalanced equation. What volume of O2 at 555 mm Hg and 56.0°C is required to produce 285 mL of CO2 at 780. mm Hg and 131°C?
Given the reaction 2C2H2(g) + 5O2(g) ->4CO2(g) + 2H2O(g) , how much oxygen gas is needed for the complete combustion of 167 g of acetylene (C2H2)? Answer in units of g
Draw out the complete structural formula for glutamic acid and glutamine. One has a pI of 5.65 and the other has a pI of 3.22
One mole of an ideal monatomic gas initially at 300K is expanded from an initial pressure of 10 atm to a final pressure of 1 atm. Calculate change in E, q, w, and change in H and the final temp if the expansion is carried out according to each of ..
What is the pH of a buffer solution if 100.0 mL of the solution is 0.15 M with respect to acetic acid and contains 1.56 g of sodium acetate, CH3COONa.
The "lead" in lead pencils is actually almost pure carbon, and the mass of a period mark made by a lead pencil is about 0.0001g How many carbon atom's are in the period?
Please draw a detailed, arrow-pushing mechanism for the addition of HBr to trans-2-butene. 4. Please draw a potential energy diagram for this reaction
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