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Calculate q if the temperature of a 1.00 kg water bath in the surroundings increases by 1.25 Celsius degree. Assume that the surroundings are at constant pressure.
If 0.176 moles of Mg have combined with 0.220 moles of O, what is the empirical formula of the product?
The temperature of the water was 22 Celsius and thebarometric pressure was 735.8 mm Hg. What is the vapor pressure of the water? What is the pressureof dry hydrogen gas?
A student wants to prepare a dilute solution of iron (III) solution, . The student is provided with a stock solution of 0.800 +/- 0.001 M and a 100.00 +/- 0.008 mL volume trick flask since the experiment trquires about 80 mL of the dilute iron (II..
a standard solution of sodium hydroxide has a molar concentration of 0.128m. you use 25.00ml of a solution of
Are these mass or mole percents? About how many pounds and pound-moles of each element is carried around in a 155 pound person
When the three elements P, Cl, and As are arranged in order of increasing atomic radius, which is the correct order
A piece of a newly synthesized material of mass 25.0 g at 80.0C is placed in a calorimeter containing 100.0 g of water at 20.0C. If the final temperature of the system is 24 0C
when relatively small amounts of magnesium burn the fires are extinguished using commercially available dry powder. why
A solution is prepared by mixing 13.00ml of 0.0021M (aq) Hg2(NO3)2 with 25.0ml of 0.015M HCl. Assume that volumes are additive. A. Will precipitation occur?
A blood sample has an [H3O+]= 4.6 x 10^-8. Show how to determine (and then calculate) the pH, pOH, and [OH-] of this blood sample. In addition, determine if this blood sample is acidic, neutral, or basic and indicate if the pH of this sample is wi..
What would be the potential of the Cu-Zn cell be if the concentration of Cu2+ was 1.00M while the concentration of Zn2+ was 0.60M
A 2.48 L sample of He at 739 torr is mixed with 6.08 L of Ar at 325 torr both at 25 degrees C is placed in a 4.80 L container at 25 degrees C. What is the partial pressure in atm of He
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