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Problem- Estimate the calcium concentration in a groundwater sample, which has a pH of 5.50. Assume that the groundwater at his location is saturated with CO2 at a partial pressure of 0.1 atm.
Any expert is able to provide answer for this problem in very short time
Explain briefly that how HCl could test for limestone's presence , use the balanced chemical equation for this and then describe specific reaction that takes place?
Carbohydrates have the general formula Cn(H2)m. What is disaccharides? Is it n=12 and m=12 or m=n+1 or m=n-1 or m=n
calculate the entropy change when argon at 25 degc and 1.00 bar in a container of volume 0.500 dm3 is allowed to expand
what mass of carbon dioxide will be produced if 144g of carbon react with 384g of oxygen gas according to the equation C + O2 --> CO2
An expandable balloon contains 1400L of He at 0.950atm pressure and 18degreesC. At an altitude of 22 miles (temperature 2.0degreesC and pressure 4.0torr), what will be the volume of the balloon
Predict whether a reaction will occur in aqueous solution between the following pairs of substances. If a reaction does occur derive the net ionic equation. Specify the driving force : Precipitate formation (P) Water formation (W)
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
net ionic equation for the reaction of 0.100 M nitrous acid with Barium hydroxide. Calculate the pH of the acid - I'm lost - can you help with the calculations
a 200-g sample of a metal absorbs 500 J, and its temperature rises by 30 degrees celsius. what is the specific heat of the metal?
Calculate the solubility (in mol/L) of silver chloride in 2.0 M NH3 solution. How many grams of AgCl will dissolve in 500. mL of 2.0 M NH3?
The root-mean-square (rms) speed of a sample of molecules was found to be 1.8*10^3 m/s at 25.0 degrees C. After heating, the rms speed was found to be 4.6*10^3 m/s. What was the temperature of the sample after heating
Explain how many grams of nitrogen monoxide can form by the reaction of 509g of ammonia and 979g of oxygen
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