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Your bedroom is 18ft long and 15 feet wide and the distance from floor to ceiling is 8ft 6 inches A) Find the rooms volume in cubic metersb) Find the mass of air in room in Kg (assume the density of air is 1.2g/l) and the room is empty
A solid object is made of two materials, one material having density of 2.4 g /cm3 and the other having density of 8.6 g/cm3. If the object contains un-equal masses of the materials (75/25), what is its average density
Find the concentrations of the ions and of acetic acid in a 0.1 M solution of acetic acid at the body (pH of 7.4) H3O+, CH3CO2-1, CH3CO2H.
The reaction below shows the acid catalyzed Sn2 reaction between 1-butanol and sodium acetylide. Will this reaction proceed as depicted. Explain.
The sulfide content in a pulp plant effluent is determined with a sulfide ion-slective electrode using the method of standard additions for calibration.
calculate the external pressure that must be applied to seawater, 1.14 M total ion concentration at 10 degrees celcius if the maximum concentration allowed in the product water is 166 mg/L
How much heat energy is required to convert a 1.00 L block of ice at -40.00 degrees Celsius to steam at 250.0 degrees Celsius?
Calculate the molar solubility (often defined by s) of magnesium hydroxide in pure water. Ksp = 5.61 x 10?12. Do not forget to print a balanced dissociation equation. b. (7 points) Calculate the molar solubility of magnesium hydroxide in 0.050 mol..
If you wanted to combine equal numbers of Na and Cl atoms in a flask, how much Cl would you have to add if you added 23 grams of Na
(a) What is teh rate law for the reaction. what is the value of the rate constant
The total molarity of acid and conjugate base in this buffer is 0.100 M. A student adds 7.60 mL of a 0.330 M HCl solution to the beaker. How much will the pH change? The pKa of acetic acid is 4.760.
The following questions are based on the following reaction, in which Cl has a -1 oxidation number in MnCl2. 4HCl + MnO2 --> Cl2 + 2H2O + MnCl2. What is the oxidizing agent?
what volume of nitrogen is is formed at 742 torr and 28.7dgree c by reacting 2.78 cm^3 of cu is density 8.95 g/cm^3 with 246ml of nitric acid ( 1.42g/cm^3) 68 %HNo3 by mass. Cu(s) + 4HNO3(aq)-------CU(NO3)2aq + 2NO2(g) + 2H2O(l). What is volume fo..
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