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Complete molecular equations, net ionic equations of Ba(OH)2+Nicl2, Nacl+AgN03, (NH4)2CO3+cacl2, Nicl2+NaOH
If 0.628 moles of a substance weighs 77.3 g, what is the molar mass of the substance, in units of g/mol?
Which statement best describes the polarity of CF2Br2. The molecule is always nonpolar The molecule is always polar Depending on the arrangement of outer atoms, this molecule can be polar or non polar
The isomerization of cyclopropane follows first order kinetics. The rate constant at 700 K is 6.20*10^-4 min-1, and the half life at 760 K is 29 min. Calculate the activation energy for this reaction.
The volume of a sample of a gas at 273 degrees Celsius is 200.0 L. if the volume is decreased to 100.0 L at constant temperature, what will be the new temperature of gas?
what quantity of heat is required to vaporize 107g of benzene, c6h6, at its boiling point, 80.1c? the heat of vaporization is +30.8kj/mol.
Find the number of moles of water that can be formed if you have 174 moles of hydrogen gas and 82 moles of oxygen gas.
How many days would be required for a dose of Cu-64 to decay to 1.0% of its original concentration?
explain the difference in boiling point between the isomers 1-chlorobutane and 2-methyl-2-chloropropane in terms of structure.
You have a sample of bone collected from Nevada and you find that it contains strontium-90 and exhibits an activity of 2.5 Bq. How much strontium-90 was present in the bone when the animal died 45 years ago?(The half-life of 90Sr is 29 years.)
Balance the following equations and point out the reductant and oxidant in each equation. May need to add H+ or H2O to some equations.
Write the equation for this reaction, labeling the acid, base, conjugate acid, and conjugate base
H2C2O4(aq), Ka1 = 6.5 x 10-2 and Ka2 = 6.1 x 10-5. Don't forget that Kw = 1 x 10-14. Then Determine K for the reaction
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