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1. If 12.26L of gas A reacts according to the following equation 2A(g)+3B(g)à9C (g) + 6D(g)what volumes of gases C and D are produced?
2 a.) If 58.3 grams of a 14% (m/m) solution of NaOH were boiled to dryness, how much NaOH would remain?
b.) If the recovered NaOH (from part a) were re-dissolved in 1.22kg of water, what would the resulting molaity be?
3. How much concentrated acid is required to make 250mL of 3.50 M HCl?(Concentrated hydrochloric acid is 12.1 M.)
4. If 2.20 L ofa gas at 754 torr and 580 mL of gas at 0.988 atm are combined and allowed to diffuse in a 6.00L container, what is the total pressure of the new system?
5. A sample of water at 0 degrees celcius releases 6.7 kJ of energy.How much ice is formed? (Heat of fusion of water = 335J/gHeat of vaporization of water = 2.26 kJ/g)
Use retrosynthetic analysis to suggest a way to synthesize 3-hexanol using the grignard reaction
A cell composed of a platinum indicator electrode and a silver-silver chloride reference electrode in a solution containing both Fe2 and Fe3 has a cell voltage of 0.731 V.
a gas sample containing 1.56 mol at 25degc exerts a pressure of 394 torr. some gas is added to the same container and
RNA Splicing- What is the minimum number of transesterification reactions needed to splice an intron from an mRNA transcript
Observe the following reactants and predict which of the following may form the potential products given the values for the energy of activation, , and enthalpy of the reaction, , in combination with the molecular orientation.
Identify these solutions based only on color. What aspect of coordination chemistry is used in your decision?
Strontium sulfate is also an insoluble sulfate. Knowing barium sulfate is insoluble, why is it not surprising that strontium sulfate is also insoluble
A student made a bottle of 6 M NaCl solution in the morning and then stored it in the refrigerator. In the afternoon, he took out the bottle and found NaCl crystals at the bottom of the bottle. Can you explain why the crystals formed
Talc (used in talcum powder) has mass composition 19.2% Mg, 29.6% Si, 42.2% O,and 9.0% H.What is the empirical formula of the compound?
We are enabling the trans to cis isomerization of E-1,2,-bidenzoylethylene by irradiating the alkene with light. Why does light allow for the isomerization. What does light do to the alkene
Which of the following compounds is quite insoluble in water, but would liberate a gas when treated with aqueous acetic acid
what minimum requirement is needed to obtain reproducible results with a single beam spectrophotometer
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