math
Thank-you Vanessa, I did figure it out shortly after posting the question.
math
I am thinking of a number. If I add 4 to it, square the result, divide that result by 20, and subtract 4, the infal result is 1. What is my number
Chemistry-Dr Bob help!!
I am a little confused with the Henderson-Hasselbalch eqn on 2, #1 worked great, thanks!
Chemistry-Dr Bob help!!
0.100 M solution of a weak acid, HX, is known to be 15% ionized. The weak acid has a molar mass of 72 g/mol. 1. What is Ka for the weak acid? 2. What is the pH of the buffer prepared by adding 10.0 g of the sodium salt of the acid (NaX) to 100.0 mL of 0.250 M HX
chemisty
0.100 M solution of a weak acid, HX, is known to be 15% ionized. The weak acid has a molar mass of 72 g/mol. 1. What is Ka for the weak acid? 2. What is the pH of the buffer prepared by adding 10.0 g of the sodium salt of the acid (NaX) to 100.0 mL of 0.250 M HX
chemisty
What volume of HCl gas at 25â—¦ C and 1 atm should be bubbled into 375 mL of a 0.680 M aqueous solution of HClO4 so that the pH of the resulting solution is 0? Assume that all the HCl dissolves and that the volume of the solution does not change with the addi...
Physics
youre in a friends pick up truck when it stalls on a hill. you jump out, get nehind the truck and push with all your might 300 newtons. still the truck slowly rolls back down the hill. whats the pressure the truck exerts on you.
Problem Solving Math
If a circuit has a 3.9k resistor and a 5F capacitor, find the current flow in the circuit at 0.005 seconds, if the maximum current flow in the circuit is 1.5mA.
math
is the answer 25
math
the number of 5th grade students in a school is a prime number greater than 50.What is the least number of 5th grade students there could be in a school
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