micatkie

A 0.101 kg meter stick is supported at its 40 cm mark by a string attached to the ceiling. A 0.609 kg object hangs vertically from ?

URGENT CHEM HELP PLEASE!!!!!?

For the reaction below, initially 3.5 mol of NH3  are placed in a 4.0 L reaction chamber. After 3.0 minutes only 1.6 moles of NH3 remain. ?

Write condensed structural formula equations for each of the following organic reactions. ?

committee of 4 to be selected from 5 boys and 4 girls. What is probability that committee will be a) all girls b) more boys than girls? ?

What are the IUPAC names for the five aliphatic structural isomers of C5H10?

[(3x-6)/(4x-8)]<=1. Solve; use interval notation?

One mole of oxygen gas is at a pressure of 6.10 atm and a temperature of 25.0°C.?

化學科 - Solubility Product Calculations?

同一種聚合物分子量是否相同？

高一化學求救，第5題?

If a current plates out 13.5 g of aluminium, what mass of magnesium would be plated out in the same time by the same current?

Hi, help please!!?

Find the value of ( x³ + y³ ) if :..........?

Need help with figuring out how to solve this problem?

Six trigonometric functions?

Please help me in my Assignment in Chemistry?

Chemistry Help?

Help? Write the half-reaction that describes the reduction reaction that occurs when iron corrodes in air and water.?

Dan and David win some money and share it in the ratio 5:4. Dan gets £8 more than David. How much did David get? urgent next 2 mins?

There are 13 students in a class. 2 students pass. What is the percentage of students that pass?

Chemistry help please?

Chemistry Help? Balance the following equation representing a reaction that occurs in an acidic solution...?

A Ni-Cd rechargeable cell has a cell potential of +1.30 V. If the cathode has a potential of +0.49 V, what is the anode’s potential?  ?

hello! chemistry help please ??? ?

How many moles of chlorine gas can be produced if 4 moles of FeCl3 react with 4 moles of O2? ?

a function f(x) satisfies the equation f(x)=f(x-1)+f(x+1) for all values of x. Define f(1)=1 and f(3)=3; then f(2)=1+3=4. find f(1867)?

if g(x)=1-3x and f(x)=9x^2-6x+5, determine value of f(5)?

1. What is size of angle A? 2. What is the size of angle B? I'm not sure what to do.?

if f(x)=5-2x+k, and f(f(k))=13, find the value of f(-4)?

Chemistry Please help thank you so much!?

What causes anions to have a negative charge?

organic chemistry?

The molar enthalpy of combustion for ethane, in an open-air environment, is −1428.4kJ/mol. ?

What orbitals on N and F overlap to form bonds between the elements on ND3?

please heeeelppp chemistry question?

An air bubble with a diameter of 0.010 m is released underwater at a depth of 15 m. ?

Solve for x,2e^2x-8e^x+6=0?

what is the balanced chemical equation when preparing a copper 2 nitrate solution from metallic copper?

Write the standard equation of the circle with center ​(-1​,7​) that passes through the point ​(-1​,10​).?

what is the full electron configuration of lead?

Easy proof by induction question ?

which equation does not represent a neutralisation reaction?

find the coeffcient of x^2 in the expansion of (1+x^2)(x/2 - 4/x)^6?

Chemistry Help Please! t=____K?

find the coefficient of x^2 in the expansion of (1+x^2)(x/2 - 4/x)^6?

Trigonometry Question?

Does anyone know how to solve for part 3 on this question? ?

How do I do this A level Maths q?

Oxidation questions?