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Complete the charge balance equation for an aqueous solution of H2CO3 that ionizes to HCO3- and CO32-.
A blackbody emits light with a frequency of 1.54 x 1014 s-1. The total energy emitted per second at this frequency is 1.02 x 10-11 J. How many photons are emitted per second
what is the mass of hydrogen gas released from 2.70 g of aluminum metal and hydrochloric acid?2 als 6 hclaq 2 alcl3aq
Calculate the number of grams of alcohol present in 1.00 L of 87 proof gin. The density of ethanol is 0.798 g/mL.
Calculate the energy required to heat 1.30 kg of ethane gas (C2H6) from 27.0°C to 78.0°C first under conditions of constant volume and then at a constant pressure of 2.00 atm.
Chemicals available for extractions: CH2CL2, 1M NaOH, 1M HCL and sodium sulfate for drying
The heat energy required to melt 1.00 g of ice at 0 degrees C is 333J. If one ice cube has a mass of 62.0 g, and a tray contains 16 ice cubes, what quantity of energy is required to melt a tray of ice cubes to form liquid water at 0 degrees C
At a certain temperature, the Kp for the decomposition of H2S is 0.726 H2S = H2+S initally only H2S is present at a pressure of 0.126 atm in a closed container.
Calculate the mass of KI in grams required to prepare 9.00 102 mL of a 1.00 M solution.
a bottle contains 225 ml of insulin at a concentration of 50.0 mgml. what is the total mass of insulin in the
What is the percent by mass of a solution in which 60. g of NaOH are dissolved in sufficient water to make 100 g of solution.
If 3.42 g of K2PtCl4 and 1.61 g of NH3 give 2.02g of cisplatin (K2PtCl4+2NH3→2KCl+Pt(NH3)2Cl2), what is the percent yield of the reaction?
When agueous solutios of AgNO3 and NaI are mixed,AgI precipitates. What is the balanced net ionic equation
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