micatkie

Exponential math question? ?

(KUPS METHOD) How many formula units are contained in 6 mol of Ca(OH)2?

I need help with this math problem?

Chem Help Please?

PQ and QR are 2 sides of a regular polygon. PR is a diagonal of the polygon. Work out the size of angle PQR?

Powers of complex numbers problem..?

Equilibrium equation for K2Cr2O7?

Calculate number of atoms of aluminum of aluminum oxide with a mass of 2.3 Grams?

Which compound is a strong electrolyte?  1.C6H12O6 2.CH3OH 3.HNO2 4.H2SO4?

Given the reaction:HSO4- +H2O <--> H3O+ + So²-4 Which is a bronsted lowry cojugate acid base pair?

How do you find this equation for #26?

What volume will 2.50 mol of a gas occupy at 283K and a pressure of 0.395 atm?

CHEMISTRY QUESTION (multiple choice answers) ?

Please help my physics question?

Math help?

Why might the initial burette reading not be 0.00ml?

Joint Variation?

To determine whether (−1,4) is a solution to the equation 3x+8y=29, substitute blank for x and blank for y.?

Help with distance catch up problem?

I need help with this math problem?

How do I solve this: In the xy-plane, the line given by which of the following is perpendicular to the line 5x − 2y = 7 ?

yr 11 quadratics question?

How many grams of Potassium chromate must be used to make a 3.75 M solution when 1.2 liters of water is used?

Can I dive using a 200M water resistant watch?

chemistry help?

Based on the difference in electronegativities of the elements, which of the bonds would be classified as a nonpolar covalent bond?

what is the net ionic equation for the reaction of Pb(NO3)2 and Kl in water?

Consider the reaction 2NO (g) + O2 (g)------> 2NO2 (g) + If Kp= 2.2x1012 at 25C, then Kc is?

what is the color of Co(ii), the cobalt(2+) ion?

why does the reaction between silver nitrate and sodium chloride have a minimum conductivity well above zero, while the sulfuric acid?

Chemistry Question?

If 6.79 g of aluminum were reacted with excess sulfuric acid to produce 37.86 g of aluminum sulfate, what is the percent yield?

What is the sum of the stoichiometric coefficients the formation reaction for methanol (CH3OH)? Enter any fraction as a decimal.?

Does anyone know how to solve this 1 Chemistry problem? I am having a hard time figuring out how to do it can someone help? THANK YOU?

Chemistry help?

A sample of oxygen gas collected at a pressure of 998 mm Hg and a temperature of 295 K has a mass of 38.4 grams. The volume of the sample is?

How the metals at the top of the reactivity series can be extracted from their ores?

What is the total pressure in atmospheres of a gas mixture that contains 1.2 g of H2 and 7.5 g of Ar in a 3.8 L container at 27°C? What are?

How to calculate the calorimeter's heat capacity from the given?

How many grams of carbon disulfide needed to completely consume 107L of chlorine gas according to the reaction at 25 °C and 1 atm?

A 0.1294 M copper solution has an absorbance of .635. What is the concentration of a copper solution with an absorbance of .291?

What is the temperature of 0.560 mol of gas at a pressure of 1.1 atm and a volume of 12.8 L ?

Need help with chemistry problem! thanks :)?

volume of sulfur dioxide required to react with 182 liters oxygen:sulfur dioxide (g)+ oxygen (g) sulfur trioxide (g) liters sulfur dioxide?

chem question?

How many grams of copper(II) hydroxide will precipitate when 20mL of .65M sodium hydroxide is mixed with 30mL of .25M copper (II) sulfate.?

hydrofluoric acid and rubidium hydroxide net ionic equation?

Acetic Acid Sodium acetate buffer? PLEASE HELP!?

1 gram of KHP consumed 43.3ml of KOH solution. What is the molarity of KOH?

Consider the reaction 4 HCl(g) + O2(g) → 2H2O(l) + 2Cl2(g) . When 63.1 g of HCl react with 17.2 g of O2, 49.3 g of Cl2 are collected.?