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Temperature is -3 degree Celsius. 10 kg of snow is covering the driveway. How much of salt would you need to melt the snow on the driveway. (freezing point is 0 degree Celsius, I=2.1)?Please provide solution with all steps and also I made up the given numbers so they are not exact so the final answer could be a value that doesn't make sense but it is the steps I need to know?
a how many milliliters of a stock solution of 6.0 m hno3 would you have to use to prepare 110 ml of 0.500 m hno3?b if
Determine the concentrations of Ag+ and C2O4- in a saturated aqueous solution of Ag2C2O4. Ksp = 3.5 x 10-11
Problem- 51^V^5+ Number of protons number of neutrons number of electrons mass number, 79^Br^-1 Number of protons, number of neutrons, number of electrons, mass number
Question- A 0.140-mole quantity of NiCl2 is added to a liter of 1.20 M NH3 solution. 1) What is the concentration of Ni2 ions at equilibrium? Assume the formation constant* of Ni(NH3)62 is 5.5 × 108.
An existing power plant has been found to produce SO2 concentration of 20?g/m3 at a distance of 800m directly downwind from the stack when the wind is 4m/s from the north during a class C stability situation.
a 436 mL volume of hydrogen gas is collected at 25 kelvin and 725 torr. what volume will gas occupy at STP
A solution containing 29.85 mg of an unknown protein per 25.5 mL solution was found to have an osmotic pressure of 3.85 torr at 21C
Concentrated sulfuric acid is 98% by mass H2SO4, with the remaining mass being water. What is the molar concentration (i.e., molarity) and the molal concentration (i.e., molality)
Two organic species are produced when 1,1-dimethylethylmagnesium bromide reacts with 1-pentyne (a) Draw the skeletal structure of the new Grignard produced
Phosgene gas has the following: Carbon = 12.1%, Oxygen = 16.2%, and Chlorine = 71.7%. At 22 degrees celsius and 751mm Hg, 1090 mL of the gas weigh 4.42g. Find the molecular formula.
Part A - What volume of 2.25M HCl in liters is needed to react completely (with nothing left over) with 0.250L of 0.300M Na2CO3. Express your answer numerically in liters.
Calculate the heat capacity of an aluminium block that must absorb 629J of heat from its surroundings in order for its temperature
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