Chemistry

The speed of light is 386000 mi/sec. How far does light travel in inches during 1.00 sec

Please show work so I can understand. 10 points to best answer!-1 mile = 63 360 inches[I live in Australia so working in miles is a little odd for me!] Based on what you were given, the speed of ligh

Calculate the concentration of H+ ions in a .62 M NaOH solution.

-log.62=0.21=pOH 14-0.21=13.79=pH 10^-13.79=1.62x10^-14-what does tat even mean

What is a soft, breathable material made of nearly pure cellulose that grows on Gossypium

cotton

What group contains elements frequently isoelectronic with stable cations and anions

Hint:Cl^- ≡ Ar ≡ K^+ :)

3NaHS (aq) + NaClO3 (aq) = 3S (s) + NaCl (aq) + 3NaOH (aq): I have some questions that I need help on. ;(

1. What mass of NaHS is needed to consume 15.8 g of Sodium Chlorate? 2. Which element is being oxidized, and which is being reduced? 3. Which substance is the oxidizing agent, and which is the reducin

How is Acetic acid manufactured and what is its chemical nature

Acetic acid is produced in several ways, one of them is the Monsanto Process: Methanol, hydriodic acid, carbon monoxide combine with a Rhodium based catalyst to yieldacetic acid. Briefly, (i) CH3OH r

I need help with a Chemistry question, Please help

What is the molar concentration of a solution of KF prepared by taking 37.5 mL of 0.442 M KF and diluting to a final volume of 500.0 mL with distilled water?-(volume of concentrated)(concentration of

What is the relationship of the spins of two electrons in the same orbital

the spin of two electron is opposite in the same orbital-you should see http://s8.hk/1k37 i hope it will be helpful in resolving your problem keep using answers.yahoo.com *-* I have also encountered s

When subtracting 0.2 g from 4.6578 g the answer should contain ____ significant digits

What is the answer to this chem question? I got 4. 10 points to best answer!-When adding and subtracting measurements, the answer should have the least number of decimal places as the measurement with

How many carbon dioxide molecules placed end-to-end would be needed to produce a length of 2.55 feet

A carbon dioxide molecule is 2.32 Angstrom units long. How many molecules, placed end-to-end, would be needed to produce a length of 2.55 feet? (1 Angstrom = 10-8 cm.) Please explain too to help me u

Limiting Reactants/Chemistry Problem!

Determine the weight of MgSO4*6H2O (s) that would be formed by the reaction of 90.34 g of MgSO4 (s) and 73.19 g of H2O. For the weight of MgSO4*6H2O I got 497.14 g. Is that correct?-(90.34 g MgSO4) /

What volume of 0.200 M H2C2O4 is required to react completely with 1.15 g of KOH

Heres the formula: H2C2O4 (aq) + 2KOH (s) ---> K2C204 (aq) + 2H20 (l) Any help would be immensely appreciated. :)-H2C2O4 + 2 KOH → K2C2O4 + 2 H2O (1.15 g KOH) / (56.1057 g/mol) x (1/2) / (0.200 mol/

(Easy 10 points) The density of aluminum is 2.70 g/cm3. What is the mass

The density of aluminum is 2.70 g/cm3. What is the mass, in g, a block of aluminum measuring 2.30 cm x 4.86 cm x 10.23 cm? (V = l x w x h) 10 points to best answer!-2.3 x 4.86 x 10.23 = V cm3 V = 11

College general chemistry... more help!

How do you solve this question on gas laws? Please provide explanation =) I dont know how to even start this problem!! Molecular chlorine and molecular fluorine combine to form a gaseous product. Un

A few chemistry questions...PLEASE PLEASE HELP!

i have a test tomorrow. and i have absolutely no idea how to do these problems. pleaseee help me!! PLEASE!! These are a variety of problems and you dont have to answer all of them if you dont want to,