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Boo Boo
Questions (25)
a. what is the effect on the Kc when the temperature of an exothermic reaction is lowered?
b. according to Le Chatelier's
1 answer
725 views
If isomers of an alkane have the same molecular formula, how do they differ?
1 answer
2,171 views
How does a complete structural formula differ from a condensed structural formula?
1 answer
1,201 views
How many mL of a 0.5M Ca(OH)2 solution are needed to neutralize 38mL of a 2M HNO3 solution?
1 answer
577 views
what is the molarity of the acid in when a 30mL sample of HCl is titrated with 10mL of 6M NaOH?
1 answer
503 views
@20*C solubility - 22g CuSO4 / 100g H2O
@40*C solubility - 42g CuSO4 / 100g H2O which is saturated and unsaturated a. @20*C is 6g
1 answer
831 views
Predict how changes effects equilibrium for N2(g) + 3H2(g) -----> 2NH3(g) + heat
a. add heat b. remove heat c. add NH3(g) d.
2 answers
1,358 views
Calculate the amount of solute needed to make each of the solution.
225g of a 10% (m/m) K2CO3 solution .50kg of a 18% (m/m) KOH
1 answer
594 views
The following soluble salts are strong electrolytes. For each, write a balanced equation for their dissociation in water.
a. LiBr
2 answers
6,360 views
A solution containing 80g of NaNO3 in 75g of H2O at 50 degrees celsius is cooled to 20 degrees celsius.
A. how many grams of
1 answer
2,588 views
Determine whether a solid forms when solutions containing the follow salts are mixed. If so, write the ionic equation and the
3 answers
2,586 views
explain the following observations;
A. an open can of soda loses its fizz quicker at room temperature than in the frig. B.
1 answer
4,152 views
A solution containing 80g of NaNO3 in 75g of H2O at 50 degrees celsius is cooled to 20 degrees celsius, how many grams of solid
0 answers
1,184 views
A sample containing 4.8 g of O2 gas has a volume of 15.0L. Pressure and temperature remain constant.
What is the volume after
1 answer
623 views
A sample containing 4.8g of O2 gas has a volume of 15.0L. Pressure and temperature remain constant.
What is the new volume if
2 answers
900 views
Explain the observation: water used to sterilize surgical equipment is heated to 120 degrees celsius at 2.0 atm in an autoclave.
0 answers
708 views
Use the kinetic molecular theory of gases to explain each of the following:
a. a container of nonstick cooking spray explodes
1 answer
1,469 views
For each reaction, calculate the moles of product (in parentheses) when 2.00 moles of each reactant is used
A: 2SO2 + O2 = 2SO3
2 answers
937 views
In each reaction, calculate the moles of product (in parentheses) when 3.00 moles of each reactant is used.
A: 4Li+O2 = 2Li2O
1 answer
895 views
how do the names of covalent compounds differ from the names of ionic compounds?
1 answer
856 views
what is the shape of a molecule if the central atom has two bonded atoms and two lone pairs
1 answer
2,378 views
Approximately what electronegativity difference would you expect for a polar covalent bond?
1 answer
3,770 views
How does the bond that forms between Na and Cl differ from a bond that forms between N and Cl?
1 answer
2,383 views
A patient with polycythemia vera(excess production of red cells) receives raioactive phosphorus-32. Why would this treatment
1 answer
1,534 views
Technetium-99m emits only gamma radiation. Why would this type of radiation be used in diagnostic imaging rather than an isotope
2 answers
2,386 views
Answers (4)
It's Nicholas's on Tuesday
Thanks to anyone who said, "B, A, B, A."
Thank you to everyone who said D, A, B, A, C
Does that mean when heat is added it favors the reactant side?
