Leroy

What do you get when you mix nickel sulfate and sodium carbonate?

16 years ago

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?

16 years ago

The amount of money that a sales person makes varies directly as the total amount of sales made. if the sales person receives $7,500 for selling a house for $120,000, how much will he or she make if he or she sells a house for $150,000?

16 years ago

compare the elements in an early protostar and those in a young star formed from star dust of older stars?

15 years ago

A player kicks the football from the ground with a velocity of of 30m/s at 45 degree angle. Find the initial vertical velocity?

13 years ago

Two identical teflon rods are 10 centimeters long and rubbed with fur so that they each have a total negative charge of 20 microCoulombs that is uniformly distributed along their length. They are arranged along the same axis, with their ends 5 centimeters...

11 years ago

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. Write a formula for the resulting function, y2. y2 = ? i tried x^3-4. my value wasn't correct

11 years ago

In the reaction NH4Cl = NH3 + HCl, the equilibrium concentrations were found to be [NH3] = [HCl]=3.71 * 10-3M Calculate the value of the equilibrium constant?

10 years ago

What is the PH of an aqueous solution consisting of 0.070 M formic acid (HCOOH) and 0.070 M sodium formate (HCOONa)?

10 years ago

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 concentrations in the pure water temperature?

10 years ago

Calculate the molar H3O and ClO3 concentrations of a .28 M solution of perchloric acid (HClO3)?

10 years ago

can you look at the additional attached questions from me this morning at 2:29am? not fully understanding them. thanks for your help

10 years ago

Can you check my answer for the PH question @12:04 11/20?

10 years ago

original question on 11/19 @ 2:26 am current question page 4, close to the bottom.

10 years ago

The sum of two numbers equal 25. The second number is 4 times larger than the first number. What are the two numbers

8 years ago

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 than the first number. Write the two equations AND what are the two numbers. I have x+4x =25 but not sure what the two equation...

8 years ago

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 for your help

8 years ago

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 her ban, then what is the sum of the digits in the number of nickels in Keana's bank? Write a system of equations for this sit...

8 years ago

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 perimeter of the rectangle is 84 centimeters, what is the length of the rectangle? Write a system of equations for this situat...

8 years ago

Can you please help with this problem: At Super Saver Mart (SSM), you can buy three packs of toilet paper and seven boxes of cereal for $46.00. You can also purchase 8 packs of toilet paper and 4 boxes of cereal for $75.00 at SSM. What is $14 more than th...

8 years ago

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 two times the width of the rectangle. If the perimeter of the rectangle is 98 centimeters, what is the length of the rectangle?...

8 years ago

Please help me with this problem: A basketball team scored 50 times in their previous game. The team earned points from making two-point field goals (baskets) and one point free throws. If the team scored 87 points in their last game,how many two-point ba...

8 years ago

Can you PLEASE help me with this problem? I do not understand... The area of a triangle can be found by using the formula A=1/2bh. The area of the triangle can be represented by the expression -17.5x2^ - 138.5x - 27. The triangle's base length is greater...

8 years ago

"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 care of himself. I'm going to fool some people. I'm a mystery to others. Some people may want to try to hide me, but I'm going to...

5 years ago

Can you tell me how you got that

16 years ago

I am not really sure how the find the pKa. Do I need to find the conjugate acid -base pair first?

10 years ago

I am not understand how to use log on my calculate, so no answer is calculating. can you explain how to use log?

10 years ago

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?

10 years ago

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 on...

7 years ago

Right now I do not know the answer

5 years ago