What is the concentration of magnesium carbonate
45.0g og magnesium carbonate is added to water to prepare a 250.0mlsolution. 15.0ml of this solution has 50.0ml of water added. what is the concentration of magnesium carbonate in the second solution?
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The business manager of a local health clinic is interested in estimating the difference between the fees for extended office visits in her center and the fees of a newly opened group practice. She gathered the following information regarding the
At a certain temperature 15.0 moles of nitrogen gas and7.00 moles of hydrogen gas are placed in a 20.0 L glass vessel.When equilibrium is reached, 3.00 moles of ammonia gas arefound.
Shown below is a portion of a computer output for a regression analysis relating y (dependent variable) and x (independent variable).
The value of the chi-square statistic for testing the null hypothesis that the proportion of Internet users is the same, regardless of the type of community they lived in, is 55.363. The P-value for the test is
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The coefficient of kinetic friction between the ramp and the incline is 0.254. The suitcase travels a distance 4.20m along the ramp. a-Calculate the work done on the suitcase by the force
Calculate the number of Schottky defects per cubic meter for sodium chloride at 700 C. Assume an energy for defect formation of 2.3 eV and a material density at that temperature of 2.12 g / cm3.
A jewler wishes to make solid gold cylindrical charms with a heightof 2.0cm and a radius of 5.25mm. Gold has a density of 19300kg/m3 and is $1095 per oz. The volume of a cylinder isπr2h. How much will she have to pay for the goldfor each cylind
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