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Shelby measured the volume of a cylinder and determined it to be 54.5 cm3. The teacher told her that she was 4.25% too high in her determination of the volume. What is the actual volume of the cylinder
A diatomic gas does 315 J of work and also absorbs 580 cal of heat. What is the change in internal energy of the gas?
A beaker with 130 mL of an acetic acid buffer with a pH of 5.00 is sitting on a benchtop. The total molarity of acid and conjugate base in this buffer is 0.100 M.
Question- Calculate the pH at the equivalence point for the titration of 0.180 M methylamine (CH3NH2) with 0.180 M HCl. The Kb of methylamine is 5.0× 10-4.
a 1.800 g sample of phenol c6h5oh was burned in a bomb calorimeter whose total heat capacity is 11.66 kjc degree. the
Which process will likely increase the solubility of solid KCl in water? Stirring the mixture. Increasing the surface area of KCL * Raising the temperature of the mixture *lowering the temperature of the mixture
Question- What mass of precipitate will form if 1.50 L of concentrated Pb(ClO3)2 is mixed with 0.200 L of 0.110 M NaI. Assume the reaction goes to completion.
When 27 mL of a 150 mL stock solution containing 2.11 M Na2S is diluted to 74 mL, how many moles of Na+ are in the new solution
How many grams of sodium formate, NaCHO2, would have to be dissolved in 1.2 L of 0.13 M formic acid (pKa 3.74) to make the solution a buffer for pH 3.61
Problem- What is the de Broglie wavelength (in nm) associated with an electron accelerated to a velocity 0.50% of the speed of light. The mass of an electron is 9.109x10^-31kg)
Calculate the theoretical yield of C_2H_5Cl when 127 g of C_2H_6 reacts with 250 g of Cl_2, assuming that C_2H_6 and Cl_2 react only to form C_2H_5Cl and HCl.
What velocity would you need to shoot the ball into the bucket? Note that the launch angle (?) was 27.5°
Question- A solution is made by mixing 500.0 mL of 4.0 M NH3 and 500.0 mL of 0.40 M AgNO3. Ag+ reacts with NH3 to form AgNH3+ and Ag(NH3)2+ according to the equilibrium reactions:
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