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Which of the following would result in an artificially LOW (<100%) yield for carbon dioxide? (HINT: Think carefully about how percent yield is calculated) Answer a.Spilling some of the reaction mixture. b.Adding too much baking soda. c.Adding too much vinegar. d. Not allowing the reaction to go to completion.
Describe the preparion of 1.00 liters of a 1.00 M acetate buffer, pH 6.00, starting from a 17.40 N solution of glacial acetic acid
The 13C nucleus is a spin 1/2 particle, which means it can orient in two directions in a magnetic field (with the field and against it). The difference in energy between the two orientations is given by:
For each of the rate laws below, what is the order of the reaction with respect to the hypothetical substances X, Y, and Z? What is the overall order?
C19 H17 Cl F N3 O5 S (all one compound, spaced them so it's easier to see) contains 8 double bonds. How many rings are present. (note treat sulfur as you would oxygen)
Write the structure for each functional group. Give an example of a molecule with a functional group and name appropriately.
What is the density of gallium in grams per cubic centimeter at 25 C if a 1.00 cube has a mass of 0.2133.
1. assume that the specific heat of the waterh2o 1.00 cavg xc then calculate how many calories of heat are needed to
using a nitrogen gas sample in a container with capacity 1.64 litres a pressure of 121 atm is exerted by this gas
a solution is prepared by dissolving 23.7g of CaCl2 in 375g of water. The density of the resulting solution is 1.05g/mL.
water is a uniqu material in that the density of the solid is lower than the density of the liquid which is why ice
A sample of the exit air is drawn in to a chamber containing a mirror and cooled slowly, keeping the gauge pressure at 10mm Hg. A mist is observed to form on the mirror at a temperature 40C. Calculate mass of water removed from ..
The owner wants to grow perch and needs the pH around 7.0. If the daily water flow into and out of the pond averages 30 m^3 per day with a pH similar to that of the pond, what is the minimum amount of limestone (CaCO3) needed to bring the pH
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