What percent by weight of na2co3 does it contain
Exactly 50.0ml solution of Na2CO3 was titrated with 65.8ml of 3.00M HCl. If the specific gravity of the Na2CO3 solution is 1.25, what percent by weight of Na2CO3 does it contain?
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How much heat is required to heat 10.0g of ice at -5.00 degree Celsius to become water vapor at 107.00 degree Celsius?
A thermos contains 143 cm3 of coffee at 90 C. To cool the coffee you drop 2 13.0-g ice cubes into the thermos. The ice cubes are initially at 0 C and melt completely. What is the final temperature of the coffee in degrees Celsius. Treat the coffee
What is specific heat of a 19g metal object heated to 96 degrees C then added to a calorimeter containing 75g of water at 18 degrees C. Final temperature is 22 degrees C? What is the metal?
The reaction of barium metal with liquid water produces 660.2 kJ of heat for every mole of barium that reacts. One of the products is barium hydroxide. Calculate the amount of heat associated with 3.65 g of water reacting at constant pressure.
Define industrialization and describe its effects on American society from 1865-1917 by discussing and connecting each of ther following in the context of industrialization's effects on Urbanization, Social class conflict, Transportation developments
A 26.1 g sample of pure iron at 77°C is dropped into 93 g of water at 17°C. What is the final temperature of the water-iron mixture?
What is the magnitude of the apparent weight of a 69 kg astronaut 3500 km from the center of the Earth's Moon in a space vehicle accelerating toward the Moon at 3.8 m/s^2 ?
If 1.00 mol of glucose is submitted to combustion analysis, how many moles of CO2 and how many moles of H2O would be formed?
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SmartCup also detects volume and will give information relevant to percentage of daily consumption. Other metrics the cup is able to test include whether