micatkie

Balance the equation using algebraic method HCl(aq)+ K2Cr2O7 (aq)+C2H5OH(aq)--->CrCl3(aq)+CO2(g)+KCl(aq)+H20 Please help. Thank you?

(1)Given the function below evaluate f(1) f(x)=1+3|3x-4| (2)Solving using the quadratic formula 4x^2-24=0 Thank you Thank you very much?

Why Cu+2 in activity series and not Cu+1?

4NH3+7O2->4NO2+6H2O If [No2] is changing at a rate of 2.0mole/L second what rate is [NH3] changing at?

resonance structures for C2H5N? I'm having trouble please help!?

Applied mechanics?

chemistry questions?

What is 6/2 (1 + 2) equal to? plz help?

Chemistry help?

Chemistry Question Help Please?

pH Question?

What is the difference between the concentration units nmol/L, and Molarity ?

A 12.0-V battery produces 210 mA when it's across a 48.0 Ω load.?

In the toss of 5 dice, what is the probability of obtaining exactly 5 ones?

How would I convert .513 mg of Pb/100 mL to mg/L?? So instead of .513 mg Pb per 100 mL I want to find what this value would be per liter.?

Where does the oxygen go? Drawing chemistry?

I need help with chemistry. My teacher asked me to prepare a serial dilution from 1g Lithium Carbonate powder. I dont understand how?

Explain: Why can 1/t be used instead of k in the Arrhenius equation?

How to find average friction force?

Ionization of Boric Acid?

What is the positive ion for chromium iii hydroxide?

What is the greatest whole number that rounds to 738,800?

Prove that: cos5A = 16cos^5 A - 20cos^3 A +5cosA?

How to find (implicit differetiation) dy/dx in xy=(x-y)^2?

Can someone please explain what this means?

Name the following molecules: CH3CH2CH2CH3 = Butane CH3CH2CH2CHCH2 =?

Which one show geometric isomerism? 3-chloro-2-methyl-2-butene 3-chloro-2-methyl-1-butene 2,3-dichloro-2-pentene 4-chloro-3-ethyl-3-hexene?

A car is traveling at 25 m/s when suddenly it brakes to stop. If the car stops in a distance of 12 m, at what rate is the car accelerating?

A red ball is dropped from rest at a height of 8.80 m. A blue ball at a height of 10.5 m is thrown down at the same instant at 6.00 m/s.?

which flames in the bunsun burner is called a safety flame?

lim(h->0) (47 x^12 + 38 xh^3 + 3 x^14 h + 28) I thought I understood limits but now.... Please help?

An airplane flies at 800km/h for one-third of its flight and averages 700km/h for the rest. What is the average speed, in km? Show working?

does anyone know how to simplify a^2 - ab + ab^2/a^2 - b^2 + ab^2 + b^3?

HELP! URGENT!?

2a^2+5a+3?

does any one know how to factor (x + y + z) (yz + zx + xy) - xyz?

Asingle hydrogen atom has a mass of 1.67x10^-24g. A sulfur has a atomic mass of32. Hw many sulfur atoms are required to reach 9mg of sulfur?

Help! Question on circles?

Chemistry Density?

A certain bacteria doubles its population every 15 mins. Home many bacteria will u end up with if u leave 10 bacteria to multiply for 3 hrs?

How to convert g/mol to g/ml?

if a mole were defined to be 1.00 ×10 ^24 instead of Avogadro s number, what would be the mass of 1 mole of boron atoms?

Need a help in Mathematics ....?

What is the IUPAC Name of HCOO-CH2-CH2-C6H5 ?

Type the ordered pair 2x + 5y = -9 3x - 4y = -2?

Which expressions are equivalent to the one below? Check all that apply. 49^x A. 7*7^x B. 7^2*7^x C.7^2x D.(7*7)^x E.7*7^2x F.7^x*7^x?

What's the formula for this math problem?

Three vertices of a parallelogram are A (-6, -7), B (-4, 5) and C (3, 1). What are the coordinates of the fourth vertex?

How many different masses of the Cl2 molecule would you expect to find in a sample of chlorine gas?

How would you separate a mixture of Zinc Oxide (ZnO) and Manganese (III) Oxide (Mn2O3), without using concentrated acids?