micatkie

7.5g of potass react with water to produce potass hydroxide and hydro gas.what mass of potass hydroxide produced.  unbalanced: K+H2O, KOH+H2?

Triethylamine reacts with water as; (CH3)3N  + H20 = (CH3)3NH+  + OH-?

A student adds 100.o ml of a 0.53 M sodium phosphste solution and 80.0 ml of a 0.35 M calcium chloride solution to a 500.0ml beaker.?

What is the normality (eq/L) of the HCl titrant?

What is the pH and pOH of the new solution?

Chemistry,  moles neutralization enthalapy heat capacity?

Chemistry , synthetic scheme?

How were random numbers generated before computers existed?

calculate total number of electrons in 0.14g of N3- Ions?

Complete reduction of 1 mole of (3E)-3-methylhepta-3-en 1- yne will require how many moles of hydrogen (H2)?

Find the balanced redox reaction of Bi3+ + OH- + MnO4                MnO2 + BiO3-?

What volume of 0.030 M Fe3+ solution is required to react with 77.0 mL of 0.158 M OH– solution in a precipitation titration?

calculus I question?

The solubility of AgI in water is 2.35 micrograms in 1.0 L at 25 °C. What is the value of Ksp for AgI?

What is the [Tl3+] in a solution that is buffered at pH 11.50 at 25 °C? The Ksp of Tl(OH)3 is 2 × 10–44 at 25 °C.?

The solubility of PbCO3(s) in water at a certain temperature is 3.2 × 10–7 mol/L. Calculate the valueof Ksp for BaCO3(s) at this temperature?

Calcium fluoride, CaF2, has a Ksp of 1.5 × 10–10 at a certain temperature. What is the solubility in mol/L of calcium fluoride?

can you help me solve this maths problem for my son?  The answer is C:225 but can't figure out how they arrived at that?

can you help with this maths question for my 9 year old?  The answer section says D but I would like to help him understand why.  Thanks.?

The table shown gives the solubility product constant (Ksp) for a few salts of mercury. ?

Chemistry  11 ?

The metal niobium crystallizes in a body centered cubic unit cell. ?

Arrangement question?

Calculate how many different numbers altogether can be formed?

Be or Na has a higher reactivity?

A group consisting of 10boys and 11 girls attends a course of special games coaching?

How do I solve this?

Math Clock Problem?

Clock Math Problem?

How do i solve this equation of a circle problem?

Rate of Change!!?

Finding g of AgBr in 1.47 mL of NaS2O3?

Using prime factorization to solve it, but am still stuck?

how to solve (8-5 ÷ 6) 6 = 43?

what is hydrolysis of ester?

Maths profit and loss ?

Maths profit and loss ?

Chemistry help?

FCC unit cell?

FCC and BCC and HCP question?

If (r^2/4) (3x)^r (2/9x^2)^(6-r) can be simplified to k/x^3, find the values of the constants?

Value of the equilibrium constant? ?

Concentration of B at equilibrium? ?

Calculate the PH ?

 find the angle the radius of the unit circle ending?

Circuit question (physics)?

5 person enter an empty railway carriage in which there are 8 seats-4 facing engine and 4 with their backs to engine?

Which value of x in the interval -π/2 < x < π/2 satisfies the equation cos(x) = sec(x)?

SAT Math 2 subject test question?

How many ways can the 5 letters 'MANNA' arranged in a row?