shanice

This page lists questions and answers that were posted by visitors named shanice.

Questions

The following questions were asked by visitors named shanice.

Calculate the pH of a 0.052 NH4Cl aqueous solution

what is the pH of a solution that is 0.200 M in methylamine, CH3 NH2 CH3NH2+ H20<======> CH3NH3+ + OH- Kb= 4.2 x 10 ^-4

What is the pH of the solution obtained by diluting 500 mL of 0.0200 M NH3 (aq) to 1.000 L ?

Determine the values of Kp that correspond to the following values of Kc a)CO(g) + Cl2(g) <===> COCl2(g) Kc= 1.2 x 10^3 at 668 K b)2 NO(g)+ Br2(g)<===> 2 NOBr(g) Kc= 1.32 x 10^-2 at 1000 K c) 2 COF2(g)<===> CO2(g)+ CF4(g) Kc= 2.00 at 1000 degrees Celsius

A+B ---- C deltaH=-100kj and temp.=25C which direction would the reaction shift if.. a. the concentration of A was decreased b. the concentration of C was increased c. The temp. was increased to 100C

4. N2+3H2----2Nh3 k=1.2 at a T=375C you initially have 0.249mol of N2. 3.21*10^-2mol of H2, and 6.42*10^-4 mol of NH3 in a 3.5L container a.what is the equation to determine the reaction quotient, Q b.determine the reaction quotient Q c. compare Q and K....

25000 at 7% compounded semi anually for 10 years.

6. Out of eight numbers, what is the probability of drawing a two on the first draw and a three on the second draw using sampling with replacement?

IN A BAG THERE ARE 2 RED, 3 YELLOW, 4 GREEN , AND 6 BLUE MARBLES. WHAT IS THE PROBABITILTY OF P(BLUE)

A SPINNER HAS THE NUMBER 1 THRU 9. P(LESS THAN 6). WRTIE AS A DECIMAL

A SIX-SIDED CUBED IS ROLLED. FIND THE PROBABILITY OF P(4). ALSO, THE SAME IS TO FIND ANOTHER ANSWER AS P(6)

WHEN ROLLING A CUBE, WHAT IS THE PROBABILITY OF ROLLING A NUMBER GREATER THAN 6

a spinner has the number 1 through 9. the spinners is spun once. what is the probability of p(3,6,8). write as a percent

Answers

The following answers were posted by visitors named shanice.

You set up a hot chocolate stand at a football game. The cost of your supplies is $75.You charge $0.50 for each cup of hot chocolate Write a function that represents the profit P for selling c cups of hot chocolate.