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Suppose you have a fixed container containing 2.48 moles of gas. If the container volume is 30.0 L, and the pressure is 2.05 atm, what is the temperature (°C)? (R= 0.0821 L · atm / mol · K)
Problem- Write a structural formula for the principal organic product or products of each of the following reactions: a. Methyl benzoate and excess phenylmagnesium bromide, then H3O+
Problem- Draw the Lewis structure of H2O. Include any nonbonding electron pairs. Draw the molecule by placing atoms on the grid and connecting them with bonds. Include all lone pairs of electrons.
A sample of a compound of xenon and fluorine contains molecules of a single type; XeFn, where n is a whole number. If 5.0 x 1020 of these XeFn molecules have a mass of 0.172 g, what is the value of n
The enthalpy of formation of water is -241.8 kJ/mol. Explain how much heat is released while 1g of hydrogen reacts with excess oxygen to form water
The molarity of SO42- in a saturated solution of SrSO4 was determined to be 0.000500 M. Calculate the solubility product constant (Ksp) for SrSO4. SrSO4 (s) Sr2+ (aq) + SO42- (aq) Molar Mass (g/mol) SrSO4 183.68
Arrange the following solvent systems in order of increasing polarity: chloroform, 9:1, and 1:1 cyclohexane-toluene.In which would you expect the highest Rf value for a given compound
What are the advantages and disadvantages of writing a chemical equation with chemical symbols and formulas instead of just words?
A sample of oxide of antimony (Sb) contains 30.5g of antimony combined w/10g O2. What's the simplest formula for the oxide
Question- What is the power output for a subject cycling at a cadence of 70 rpm and a resistance setting of 3 kp
To this was added 20.0 ml of DI water making to the total volume 30.0 ml. The concetration of the unknown acid was 0.868 M. What was the concentration of the original acid?
The molar mass of compound is measured to be 33.4, 35.2, 34.1, 33.9 g/mol in four trials. What is the avg molar mass & calculate standard deviation and %RSD for determination of the molar mass
Use the Henderson-Hasselbalch equation to calculate the of each solution: a solution that contains 0.600% C5H5N by mass and 0.960%
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