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0.75 g of hydrogen chloride (HCl) is dissolved in water to make 7.0 L of solution. What is the pH of the resulting hydrochloric acid solution?
If a curve with a radius of 80m is properly banked for a car traveling 66 {rm km/h}, what must be the coefficient of static friction for a car not to skid when traveling at 98 km/h
At some temperature, a chemist found the following equilibrium concentrations.
How much heat energy, in kilojoules, is required to convert 64.0 g of ice at -18.0 degrees celcius to water at 25.0 degrees celcius ?
In an Sn1 reaction involving tert pentyl alcohol and HCl to make tert pentyl chloride and water, would the reaction be "faster", "slower", or "unchanged" if: HCl was less concentrated.
This situation is like that of a car on a curve that is banked at an angle of 26°. If she tries to make the turn without slowing down, what is the minimum distance from the seawall that she can
What is the molarity of a solution that contains 41.0 g of vitamin B1 hydrochloride (molar mass = 337 {rm g}/{rm mol}) in 280 mL of solution?
Dry air (0% humidity) is approximately 78% N2, 21% O2, and 1% Ar by moles. Calculate the molar mass and density of dry air at 0 °C and 1.0 atm. Assume ideal behavior and use two significant figu
At 25 c the ion product of water, Kw is 1.9 x 10^-14. What is the concentration of hydroxide ions in a solution where the concentration of hydrogen is found to be 5.0 x 10^-15 mol dm^-3?
As the snow begins to melt, the coefficient of static friction decreases and the snow eventually slips. Assuming that the distance from the chunk to the edge of the roof is 5.6 m and the coefficient
Propose a method for determining the specific heat for a metal such as sodium that reacts with water.
A gradutate cylinder contains 155 mL of water. A 15.0 g piece of iron (density= 7.86 cm cubed) and a 20.0 g piece of lead (density = 11.3 g/cm cubed) are added. What is the new water level, in milli
What is the concentration of ethylene glycol in units of molality? The molar mass of water and ethylene glycol are 18.02 g/mol and 62.07 g/mol, respectively.
If 0.214 mol of Argon occupies 652 mL, what would the volume of 0.375 be? What would be the volume of 0.375 mol of butane gas under the same temperature and pressure conditions?
Phosphorous trichloride (PCl3) is produced from the reaction of white phosphorous (P4) and chlorine:
If the blocks are now accelerating upward (due to the tension in the strings) with acceleration of magnitude a. Find T2, the tension in the lower rope and T1, the tension in the upper rope.
To plot the calibration curve, you need to prepare iron solutions with known concentration and measure their absorbance.
A 55.0 rm mL sample of this glucose solution was diluted to 0.500 rm L. How many grams of glucose are in 100. rm mL of the final solution?
Afterwards 1.00 mL gets transfered into a 100 mL volumetric flask wich is then being diluted to volume with 0.05 M H2SO4. What is the concentration of quininehydrochlorid?
Radiation with a wavelength of 58.4 nm interacts with a hydrogen atom and induces the ejection of an electron. What is the kinetic energy of the departing electron in eV?
What is the formula of a compound if a sample of the compound contains 0.273 mol X, 0.410 mol Y, and 0.546 mol Z?
certain first-order reaction has a rate constant of 2.8×10-2 s-1 at 18 C. What is the value of k at 62 C if Ea = 116 kj/mol?
Calculate the theoretical yield of when 126 g of C2H5Cl reacts with 223 g of Cl2, assuming that C2H6 and Cl2 react only to form C2H5Cl and HCl.
A 10.0 L container contains a mixture of 0.50 mole of H2 (2g/mole) and 0.50 mile of SO2 (64g/mole) at 25 degrees celsius.
A sample containing 0.187 g Cl- is dissolved in 50.0 mL water. How many moles oc Cl- ion are in the solution? What is the molarity of Cl- ion in the solution?