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If an unknown substance has a mass of 0.6035g and a volume of 0.550 mL, calculate the density of the substance. Please show any unit conversion factors. Your answers must have the correct number of sig figures. a. g/ml b.g/l c. kg.ml d.kg/dm^3.
What is the pH of a 0.17 M solution of methylamine (CH3NH2, Kb = 4.4 × 10-4) at 25oC
The average molecular speed in a sample of CH4 gas is 641 m/s at 311 K. The average molecular speed in a sample of He gas is ________ m/s at the same temperature.
A mutant hemoglobin has His146 of the beta chain replaced with a threonine residue. predict what the consequence of this mutation might be. specifically
sodium borohydride reduction experiment write the balanced equation for the reaction and calculae the percent yield
a student mixes four reagents together thinking that the solutions will neutralize each other. the solutions get mixed
calculate the heat produced by combustion per liter of methanol. Methanol has a density of 0.791g/ml. (d) calculate the mass of CO2 produced per kJ of heat emitted.
As a result, the pressure inside the vessel drops to 30.64 atm at 25 C. Calculate the final percent by mass of ozone in the vessel.
For this lab, we had to separate 3 mixed compounds by means of simple distillation. After performing simple distillation, how do we determine the volume (or size) of the combined pure fractions for each of the three components
Draw the condensation reaction that would form the dipeptide Met-Ile from the amino acids Methionine and Isoleucine. Based on the characteristics of the side chains ONLY, would you expect this dipeptide to be polar or nonpolar? hydrophobic or hyrd..
Write the net ionic equations for & the reactions occurring for each cation in the group.
Sulfuric acid has a dual role in the chemistry. What are its two roles in the recovery of copper metal
A solution of 0.10 M sodium acetate is mixed with a solution of 0.10 M acetic acid (Ka = 1.8*10^-5). When equal volumes of the two solutions are mixed together the resulting mixed has a pH of:
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