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1. Which of the seven Anions will be the easiest to detect if it is your unknown? (NaCl, NaBr, NaI, Na2So4, Na2C2O4, NaCo3, NaNO3) Why do you think this? If two or more are possible then explain why. 2. Which of the seven Anions will be the hardest to detect (same anions as above), Why do you think this? If two or more are possible explain why.
Calculate the number or calories of heat energy required for warming 34.6g of water from 18.9 celsius to 29.9 celsius
Assuming that the pressure and amount of a gas sample remain constant, what will be the final volume of a 3 .84 L sample of a gas originally at 160 0C when heated to 280 0C
How many moles of potassium carbonate will be produced if 476 g of potassium hydrogen carbonate are heated
How many grams of silver and how many grams of chloride ions are in 1 L of solution?
Using Le Chatelier's Principle to predict the effect of a change in conditions on a chemical equilibrium - Predict how the equilibrium of the following reactions will be affected by the changes listed.
At what temperature would a 1.20 M NaCl solution freeze, given that the van't Hoff factor for NaCl is 1.9? K_f for water is 1.86 C/m
Determine the amount of heat given off when 1.26 x 104 g of NO2 are produced express your answer (in kJ)?
Use a drawing program to draw a beaker.
explain why granulated activated charcoal is considered to be the best available treatment technology for dioxins in water.
The biochemical oxygen demand (BOD) is the capacity of organic and biological matter in natural water to consume oxygen. It is determined experimentally by measuring the oxygen concentration in a sealed sample before and after a 5-day incubation p..
The concentration of this compound in the sample is 0.000030 M and the path length of the sample is 1.0 cm
If a saturated solution of silver nitrate at 20 degrees celsius contains 216g AgNO3 per 100g of water, what mass of water could contain 725g of this solute at the same temperature.
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