What is the mass of the cannon ball in kilograms
A cannon ball made of iron which is having the volume of 115 cm3. What is the mass of the cannon ball in kilograms if iron has a density of 7.86 g/cm3.
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Determine the numbers of molecules of NaCl are in 250 ml of a 5 mM solution? For each mole of substance there are 6.023 x1023 molecules (or number of that substance).
Calculate the freezing point depression of the solution and determine the molality of the solution and molar mass of the solute if a solution is organized by dissolving 138.50g of sucrose, a non-electrolyte, in 250.0g of deionized water.
Determine the mass of NaCl which is necessary to add to 200ml of water (which is having the density of =1.0 g/mL) to make a 1 molality solution.
A physician has ordered 325 mg of atropine, intra muscularly, determine the number of milliliters would you require to give if the atropine were available as 0.50 g/mL of solution.
Estimate the temperature of the discharge gas if the ratio of the intensities of the lines originating from levels n = 3 and n = 4 is150/1 in the Balmer spectrum of a hydrogen discharge.
Length is twice the width. Material for base cost $10 per square meter and its sides price $6 per square meter. State cost as the function of containers width.
At 800 K 100.0 m moles of HI are initially in a 1.00 L container. After 10.0 minutes the concentration reduces to 15.0000mmole/L. Calculate the average rate of production of H2 in m mole/L min ?
Suppose if your doctor has diagnosed you as being anemic, that is, as containing too little iron in your blood. At the drugstore, you get a two iron-containing dietary supplements, one with iron (II) sulfate ( FeSO4) and the other with iron (II) g
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What does the Science of Reading say about teaching high-frequency words? Explain orthographic mapping and its role in word recognition.
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European vs American history Discussion Topic Follow One point that I would like to you to think about throughout this class is
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