micatkie

How to find OH-?

How do I balance this nuclear decay equation?

Solve this chemistry question?

How many moles of KCl are present in 263 mL of a 0.142 M solution?

Wavelength problem help (Chemistry)!?

Given triangle ABC, and D is a midpoint of side BC, find the numerical value of AD^2, if AB = 4, BC = 8 and AC = 6.?

What is mass KI needed to prepare 200ml of 0.4M KI solution?

Specific Heat Equations?

Chemistry multiple choice with working please??? pH?

How many moles are in the following? 5.07 ✕ 1023 formula units ZnCl2 _____mol?

Help with Chemistry problem, thank you?

A 3 L tank of helium gas has a pressure of 1.2 atm. At 37∘C, the gas has a pressure of 2.5 atm. What is the initial temperature?

What is the mass percent of NaOH in a solution of 3.49 g NaOH in 140 g of water.?

Whencharcoal reacts in the presence of oxygen, carbon monoxide and carbon dioxide are produced according to the following chemical reactions?

Chemistry titration question?

Can anyone help with this question?

Chemistry question?

How many milliliters of an aqueous solution of 0.180 M iron(III) chloride is needed to obtain 14.7 grams of the salt?

What volume of a 0.332 M perchloric acid solution is required to neutralize 11.5 mL of a 0.173 M barium hydroxide solution?

A 155-g piece of copper at 151oC is dropped into 250.0 g of water at 23.6oC.?

Chemistry Help!?

Net Ionic Equation for Acid-Base Titration?

Help with this chemistry question please ?!?

In XeF4O2, what would the F-Xe-F, F-Xe-O and O-Xe-O bond angles be? Are bond angles always 90 degrees in an octahedral molecular shape?

Is Biuret reagent just Sodium Hydroxide (NaOH) Copper Sulfate (CuSO4) together?

Chemistry help pleaseeee Consider the reaction A->2B deltaH1=enthalpy 4D+2C->4B deltaH2=enthalpy A->C+2D deltaH3=?

1.202 g of N-2-acetamido-2-aminoethane-sulfonic acid potassium salt (ACES–K , MW = 220.29 g/mol) is dissolved in 90.00 mL of water...?

how would you solve this problem?

Calculate the wavelength of light emitted in the Balmer region, where n i = 5. Report your numerical answer in units of nm. Use sig figs.?

What is the product of chemical reaction 1-pentene with Cl2?

Is Tartaric Acid Monoprotic, Diprotic, or Triprotic?

Chemistry?

empirical and molecular formulas?

chemistry problem help?

Solve equation on the interval 0 to 2pi Sqrt2cos^2+cos=0?

Geometry help please! Thank you!?

Balance each net ionic equation by the half-reactions method in acidic solutions. S2O3^2- +OCL^- --> Cl^- + S4O6^2-?

if 0.479 mol of potassium sulfide are reacted with 0.195 mol of aluminum sulfate, how many moles of aluminum sulfide will be produced?

Given the following data, estimate the energy released when gaseous Na and I atoms form gaseous [Na+I-].?

What are the oxidation numbers in HOF?

What is the electron configuration of a copper (2) ion? Please explain why?

All water is liquid, but are all liquids water?

Calorimetry I: Consider the dissolution of sodium carbonate?

A 4.91-mol sample of aluminum represents how many atoms?

What is the half-life of a compound if 78 percent of a given sample of the compound decomposes in 70. min? Assume first-order kinetics.?

what is the capital of Bhubneswar?

Which molecule requires a resonance hybrid for its Lewis structure? 10 pts?

Chemistry question!?

I need help on this problem please. Find exact values of cos(2theta)=sqrt3/2. In [0,2pi). Please.?

How do you name this alkyne?