micatkie

If solutions of Co(NO3)3 and Mg(ClO3)2 are mixed, how many precipitation reactions will occur?

Need help with Maths - Complementary angles question!?

  The solubility of Ag2CrO4 in water is 20.9 mg in 1.0 L of water at 25 °C. What is the value of Ksp for Ag2CrO4?

What is the solubility in mol/L of lead iodide, PbI2? Its Ksp value is 8.4 × 10–9. 2.0 × 10–3?

Maths Problem?

How to solve trigonometry question?

Find the molarity of a copper (II) ion solution (Cu2+) ?

After balancing the redox equation H2SeO3 + Br– + H+ → Se + Br2 + H2O, the coefficients, in order from left to right, are ________.?

What volume (mL) of 0.13 M K2Cr2O7 would be required to oxidize 30 mL of 0.18 M Na2SO3 in acidic solution, ?

molar concentration?

In how many different ways can 7 boys and 7 girls be seated alternatively in a row from left to right?

calculate the Radius of a circle whose area is 25cmsquared?

Can anyone explain this one ? , Thank you so much in advance ! <3?

Prove this Trig identity?

maths differentiation ?

a spherical snowball is melting symmetrically at the rate of 4pi cubic cm per hr. how fast is the diameter changing when it is 20 cm?

Calculate distance?

Which of the following is an rational number? *?

How many hours is this ?

第4題   CE線段和FG線段為多少?

e^2x-4e^x+3=0 help please correct me if I'm wrong?

De Moivre's Theorem?

need help asap?

Help, elevation question?

find the critical numbers of f(x)=(x^2)/(x-1)?

If (x^2)+2xy+(3y^2)=2, find y' and y'' when y=1?

How do you find the simplest ratio between the numbers of moles of NaHCO3 and CO2?

log₃(x+5)+log₃(x−7)=2, my answer is in the description please check it out?

Find the fourteenth term of the geometric sequences 18/,1/4,1/2...?

g12 chem enthalpy change question?

. If (1+tanθ)(1+tanϕ) = 2, then what is (θ + ϕ) equal to?

Can anyone solve the differential equation of  dy/dx=(2y+3÷4x+5)^2?

Can anyone solve the differential equation of x(1+y^2)^1/2dx=y(1+x^2)^1/2dy?

g12 chem enthalpy change benzene question?

Help with Basic Trig Identities?

SAT Math 2 subject test question?

第5題   a-b為多少?

How many moles of gas occupy 98 L at a pressure of 2.8 atmospheres and a temperature of 292 K?

Solve by Arithmetic Progression  1.Find the 11th term of 2,4,6…  2. Find the sum 1+3+5+…(2n -1)?

Find the common difference and the nth       term of each arithmetic sequence     a. 3,5,7,9     b. 5,2, -1,-4?

If 5.0 moles of O2 and 3.0 moles of N2 are placed in a 30.0 L tank at a temperature of 250 °C...?

Permutations & combinations problem.?

Freddie has 6 toy cars and 3toy buses, all different. He chooses 4 toys to take in holiday with him?

A certain transition involves an energy change of 4.005 x 10-22 J molecule . If there are 1000 molecules in the ground state, what is the?

How do i get SG?Do i use a basis?

Electrochemistry Question?

E cell question chemistry?

Relative to an origin O, the position vectors of the points R and S are 5i-3j and i-3j respectively. Find a unit vector OA?

Chemistry Help - Kinetics (Half-life)?

help please...................!!!!!!!!!!?