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Question- How many grams of NaOH would be used to make up 1L of 0.5 normal solution of NaOH? The mw of NaOH is 40 g/mol
Rewrite your answer from the stating and prove each step carefully.
1. assume that the specific heat of the waterh2o 1.00 cavg xc then calculate how many calories of heat are needed to
An atom of aluminum (Al) has a diameter of about 1.2 10-8 cm. (a) What is the radius of a(n) aluminum atom in Angstroms (Å)? Å What is the radius of a aluminum atom in meters
A balloon contains 2.3 liters of nitrogen gas at a temperature of 77 K and a pressure of 101 kPa. If the temperature of the gas is allowable to increase to 39°C and the pressure remains constant, what volume will the gas occupy
Aqueous solutions of sodium thiosulfate, Na2SO3, are used as an antidote to some snakebites. How many moles of sodium ions are found in 10.0 mL of a 0.15 M solution of Na2S2O3?
The rate law for a reaction is rate = k[A]^2 [B]. When the concentration of A and B are both 0.15M, the reaction rate is 0.115M/s. What would be the reaction rate when [A] = 0.30M and [B] = 0.45M
How do you write chemical formulas for: cobalt (II) hydorgen carbonate and sulfur hexafluoride
determine the structures of Compounds A, B, C, D, and E. Show calculations. Support all of your structure determinations. Student performed a sodium borohydride reduction experiment.
the effect of epinephrine binding to B-receptors is well known. epinephrine also binds to alpha-receptors. which of the following would NOT result following the binding of epinephrine to alpha-receptors in the liver
You dissolve 650.0 g of sugar (C12H22O11) in 726 mL of water. The density of wat is 1.00 g/mL.
The following reaction has an equilibrium constant of Kp = 3.5*10^4 at 1495 K: Br2(g) + H2(g) 2HBr(g). What is Kc for this reaction?
Question- What is the molality of the 50.0 mass % ethylene glycol (C2H6O2) solution in the water used for automobile antifreeze
A compound is 80.0% carbon and 20.0% hydrogen by mass. assume a 100 gram sample of this compound. How many moles of each element are in this sample
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