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what are anode rays?.who discovered it?
what are the conclusions of anode ray experiment?
What masses of calcium sulfate and phosphoric acid can be produced from the reaction of 1.0kg calcium phosphate with 1.0kg concentrated sulfuric acid (98% H2SO4 by mass)?
sucrose table sugar has the formula c12h22o11 molar mass342.30 gmol and a food value of 6.49 kjg. determine the
A 25.264 g cube of aluminum is cooled to a temperature of -15.26*C. If it's placed in 250.00g of water at 35.00*C, what would the final temperature of the aluminum and water be when the system comes to equilibrium? Assume that no heat is lost.
Draw the best Lewis structure for azoxymethane, whose sigma-bond network is given to you. Azoxymethane is a neutral molecule.
the molecular weight of vincristine a pharmaceutical drug is 923.04. it is supplied in 1 mg per vial. you want to treat
Magnesium sulfate reacts with barium chloride according to the following balanced equation. How many moles of barium sulfate are formed from 10.0 g of magnesium sulfate? MgSO4(aq) + BaCl2(aq) ? BaSO4(s) + MgCl2(aq)
In the mammalian system, typical fatty acid synthesized for energy and storage are generally have 16 carbons. However, the typical fatty acid found in breast milk is C12 to C14. Explain how the synthesis of fatty acids in the mammary glands differ..
Imagine a small electron-sensitive probe of volume 1.00pm^3 insterted into an H2+ molecule ion in its ground state. Calculate the probability that it will register the presence of an electron at the following positions
why are aqueous solutions of ammonia sometimes called ammonium hydfroxide? write the appropriate chemical equation for
Give a balanced equation for the reaction of B3N3H6 with 3 molecules of H2O, and clearly draw the structure.
Rubidium-87, 87Rb, decays by beta emission to strontium-87, 87Sr. The ratio of strontium-87 to rubidium-87 was 0.2218. Assuming no strontium was originally in the rock, what is the age of the rock. The half-life of rubidium-87 is 4.800e+10 yr.
Calculate the pH of the solution obtained by dissolving 0.2 moles of glycine and 0.1 mole NaOH in a liter of water.
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