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Leroy
Questions (24)
"I'm a love or hate thing for men. I alter the looks and feelings of the cultures. I will go up even higher if a person takes
0 answers
139 views
Can you PLEASE help me with this problem? I do not understand...
The area of a triangle can be found by using the formula
2 answers
1,108 views
Please help me with this problem:
A basketball team scored 50 times in their previous game. The team earned points from making
1 answer
610 views
Can you please review to see if I am on the right track with this problem:
The length of a rectangle is 2 centimeters less than
1 answer
742 views
Can you please help with this problem:
At Super Saver Mart (SSM), you can buy three packs of toilet paper and seven boxes of
1 answer
629 views
Please help me with this Algebra problem:
The length of a rectangle is 91 less than six times the width of the rectangle. If the
2 answers
619 views
Can you please help on this Algebra problem?
Keana's piggy bank contains $4.30 in nickels and dimes only. If she has 59 coins in
1 answer
720 views
okay...I just figured out the two numbers...but not the two equations:
x+4x = 25 5x = 25 x=5...so two numbers are 5 and 20 thanks
1 answer
360 views
Thank you...I forgot to add the other part of the question..
The sum of two number equal 25 The second number is 4 times larger
1 answer
554 views
The sum of two numbers equal 25. The second number is 4 times larger than the first number. What are the two numbers
2 answers
1,231 views
original question on 11/19 @ 2:26 am
current question page 4, close to the bottom.
1 answer
401 views
Can you check my answer for the PH question @12:04 11/20?
1 answer
383 views
can you look at the additional attached questions from me this morning at 2:29am?
not fully understanding them. thanks for your
1 answer
375 views
Calculate the molar H3O and ClO3 concentrations of a .28 M solution of perchloric acid (HClO3)?
1 answer
509 views
The ion-product of pure water, Kw, is
2.51 * 10(-14) at the body temp of 37 degrees Celcius. What are the molar H2O and OH
4 answers
1,296 views
What is the PH of an aqueous solution consisting of 0.070 M formic acid (HCOOH) and 0.070 M sodium formate (HCOONa)?
6 answers
860 views
In the reaction NH4Cl = NH3 + HCl, the equilibrium concentrations were found to be [NH3] = [HCl]=3.71 * 10-3M
Calculate the value
1 answer
604 views
f(x) = x^3
y1 = -x^3 + 4 b) Graph the function obtained from f by first translating up 4 units, then reflecting about the x-axis.
1 answer
514 views
Two identical teflon rods are 10 centimeters long and rubbed with fur so that they each have a total negative charge of 20
1 answer
569 views
A player kicks the football from the ground with a velocity of of 30m/s at 45 degree angle. Find the initial vertical velocity?
0 answers
738 views
compare the elements in an early protostar and those in a young star formed from star dust of older stars?
0 answers
422 views
The amount of money that a sales person makes varies directly as the total amount of sales made. if the sales person receives
4 answers
654 views
Erin's age is 3 times Warren's. In 4 years she will be twice as old as he will be. How old is each now?
1 answer
418 views
What do you get when you mix nickel sulfate and sodium carbonate?
1 answer
611 views
Answers (6)
Right now I do not know the answer
1.C 2.C 3.A 4.B 5.A 6.Essay 7.D 8.B 9.D 10.B 11.C 12.D 13.D 14.C 15.B 16.A 17.C 18.B 19.B For checking your answers.(: those are 100% correct and I hope it brings your grade up. I’m glad to help you kids that parents scream at you if you don’t get an A
pKa = 7.6 for HCOOH so pH= 7.6 + log [.07]/[.07} pH = 7.6 is this correct or at least moving in the right direction?
I am not understand how to use log on my calculate, so no answer is calculating. can you explain how to use log?
I am not really sure how the find the pKa. Do I need to find the conjugate acid -base pair first?
Can you tell me how you got that