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Alfred bought a new graduated cylinder for his chemistry class. It holds 416 milliliters of liquid. If the cylinder has a radius of 4 cm, then how tall is the cylinder?
(1 milliliter is equal to 1 cubic centimeter)
particular sample of pure iron requires 0.595 kJ of energy to raise its temperature from 25oC to 45oC. The specific heat of iron is 0.45 J/g oC. What must be the mass of the sample?
Calculate the final temperature of 32 mL of ethanol initially at 11 degrees C upon absorption of 562 J of heat.
Mg3N2(s) + H2O(l) → Mg(OH)2(s) + NH3(g) If this process is 82% efficient, what mass of ammonia can be prepared from 22.0 kg magnesium nitride.
what is the volume of a block with the dimensions 95.6cm in length, 43.7cm wide, and 10.2cm in height?
Determine why would the P have been higher or lower if the H 2 O had been at pH 5?
What is the change in air temperature(, assuming the heat from the steam is all absorbed by air)
Determine the mole fraction of HO2CCH2CHOHCO2H in this solution?
Explain the steriochemisty of gyceraldehyde and glycerol, give reasons for absence of anomeric forms in sucrose
A 0.221 g pellet of potassium hydroxide,KOH, is added to 52.2 g water in a Styrofoam coffee cup. The water temperature rises from 23.5 to 24.4 °C.
Determine what is the exact volume of the 250-mL Erlenmeyer flask express your answer (in mL)?
Buffer solution Problem to determine pH, Determine the pH after the addition of 10.0ml of 0.1M NaOH to 100.00ml of this buffer. An aqueous solution of 100.0ml 0.100M NaCl is titrated with 0.100M AgNO3 (AgCl Ksp= 1.0x10^-10) pAg=-log[Ag+]
Determine which H atom transition (ninitial,nfinal) was responsible for the emission of a photon with a frequency of 6.91 x 1014 Hz.
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