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Popular questions and responses by trump
  1. Interest

    How much should you invest at 4.4% simple interest in order to earn $85 interest in 11 months?

    asked on November 14, 2016
  2. chemistry

    Determine the [OH−] of a solution that is 0.130 M in CO32− (Kb=1.8×10−4). Determine the pH of a solution that is 0.130 M in CO32− Determine the pOH of a solution that is 0.130 M in CO32−.

    asked on May 2, 2020
  3. chemistry

    Calculate the concentration of all species in a 0.145 M solution of H2CO3 (Ka1 is 4.3×10−7 and Ka2 is 5.6×10−11). Calculate the concentration of H2CO3. Calculate the concentration of HCO−3. Calculate the concentration of CO2−3. Calculate the

    asked on May 2, 2020
  4. chemistry

    Write chemical equations and corresponding equilibrium expressions for each of the two ionization steps of carbonic acid Write chemical equations for first ionization step of carbonic acid write chemical equations for second ionization step of carbonic

    asked on May 2, 2020
  5. chemistry

    Determine the [OH−] of a solution that is 0.240 M in HCO3− (Ka1=4.3×10−7). Determine the pH of this solution.

    asked on May 2, 2020
  6. chemistry

    Amphetamine (C9H13N) is a weak base with a pKb of 4.2. Part A Calculate the pH of a solution containing an amphetamine concentration of 220 mg/L .

    asked on May 2, 2020
  7. chemistry

    What volume of a 15.0% by mass NaOH solution, which has a density of 1.116 g/mL, should be used to make 4.95 L of an NaOH solution with a pH of 10.4? Express your answer to three significant figures and include the appropriate units.

    asked on May 2, 2020
  8. Science

    Please help!!!!!!!! There is a cylinder and a ramp with a towel(lots of friction). The cylinder is giver a push up the ramp with the towel and it is allowed to roll up, stop, and roll back down. The acceleration when the cylinder is rolling up is -0.7318

    asked on January 20, 2020
  9. English

    folktale essay example

    asked on January 6, 2020
  1. Mathematics

    tan(42)=x/8 x=7.2

    posted on May 20, 2020
  2. chemistry

    mastering chemistry was wrong because I put 2.32 in and it was wrong, but when I put 11.7 in it was right

    posted on May 2, 2020
  3. chemistry

    the answer actually might be wrong because I used my answer 2.32347191 to find the ph , and it was right I did ph=14-2.32347191 ph=11.67652809

    posted on May 2, 2020
  4. chemistry

    I worked out 1.8 x 10^-4 = (x)(x)/(0.130-x) then put the answer -log(0.00474819) into a calculator an got 2.32347191 but it says that it is wrong

    posted on May 2, 2020
  5. chemistry

    What if I told you that I do not

    posted on May 2, 2020
  6. chemistry

    do we use quadratic formula?

    posted on May 2, 2020
  7. chemistry

    how do you solve for x

    posted on May 2, 2020
  8. chemistry

    how do you plug the E line into the Kb expression

    posted on May 2, 2020
  9. chemistry

    I am still very confused

    posted on May 2, 2020
  10. Chemistry

    too confusing

    posted on May 2, 2020
  11. College Chemistry

    and this is middle and high school chem, not college.

    posted on May 2, 2020
  12. College Chemistry

    dont make sense

    posted on May 2, 2020
  13. Chemistry

    9 years later.

    posted on March 29, 2019
  14. math

    Help Me Please!!!!!!

    posted on October 19, 2018
  15. Physics

    hillary 2 jail

    posted on April 10, 2018
  16. social studies

    hi triggon is an og

    posted on January 8, 2018
  17. English

    bone R

    posted on December 21, 2017
  18. Math

    it is 5400

    posted on July 25, 2017
  19. physics

    deez nuts

    posted on April 26, 2017
  20. Math

    just took it Anonymous is correct 4/4

    posted on March 8, 2017
  21. ss

    ted cruz is 100%

    posted on March 7, 2017
  22. US History

    no one cares loser

    posted on September 14, 2016
  23. Math

    Wall

    posted on September 13, 2016
  24. English- Fallacies

    Trump is a fallacy

    posted on April 3, 2016