chemistry! URGENT

59,905 results, page 39

Chemistry

What is the intermolecular force for BaCO3?

Chemistry

concentration of hydrogen ion is 3.8*10^-3M.what is its pH?

Chemistry

calculate the kb of ammonia if the ph of .5M solution is 11.48

Chemistry

calculate the kb of ammonia if the ph of .5M solution is 11.48

Chemistry

If 5.05 L of a gas has a mass of 7.58 mg, what is its density in g/L?

Chemistry

What is the pH of a 0.200 M solution of HNO3? a. 0.70 b. 1.31 c. 6.18 d. 8.53

chemistry

what does 1M solution of sugar stands for?

Chemistry

Determine the [H+] when [OH-] is 2.0 times 10^-2 mole.dm-3.

chemistry

what is brandy's solution in chemestry?

Chemistry

Convert 1.445 +104m to km

chemistry

determine the mass of a 1.75 cm piece of Mg if 30 am =.42 g?

chemistry

are these two statements true? (a/b)^x = a^x - b^x and (x^a + x^a+b) / (1+x^b) = x^a

chemistry

How many grams of Cl are in 525 g of CaCl2?

Chemistry

How many atoms are 3.75 moles of iron (Fe)?

chemistry

a metal object has a mass of 8.37

Chemistry

Balance the redox reaction: Ag(aq)+Cu(s)= Ag(s)+Cu(aq)

Chemistry

How do I convert micrograms/mL to micromol/L? Thanks

Chemistry

What is the relationship of the concentration of H3O and of OH

AP Chemistry

Convert 8.3×10^5 cal to kiloJoules

CHEMISTRY

What is the name of 12H2O and 10 H2O?

Chemistry

Define minimum assay

Chemistry

Does 1cm^3 equal to 1liter???

Chemistry

How many of O is in the formula 4Cu(OH)2 ? (The 2 is the subscript)

chemistry

how do u hybridize for sulfate (SO4 -2)?

Chemistry

How many moles in 0.7g of SO2 ..and how would you do this! Thanks

Chemistry

What is 0.7g of SO2 ..and how would you do this equation? Thanks,

chemistry

help balance HNO2+HNO3

chemistry

the oxidation number of Mo in Na2MoO4 is what?

Chemistry

Is esterification a condensation reaction?

Chemistry

Is esterification a condensation reaction?

Chemistry

Balance KCLO3 ---> KCl + O2

chemistry

how can we separate MnCl2(aq)+Na2SO4(aq)?

chemistry

how many moles of vapor can be produced for 52 g of O2

Chemistry

how do I calculate theoretical yield?

Chemistry

name the ions: Ag+ and P-3... and it's not silver..

chemistry

what is the correct name for k2o

chemistry

How many molecules are in 0.400 moles of N2 O5?

chemistry

Which of the isotopes of hydrogen is radioactive

Chemistry

Determine the pH of a 1.2×10^−2 M solution

Chemistry

how do i name this chemical? Fe(NO3)2

Chemistry

how do i name this chemical? S(ClO3)2

Chemistry

what is chemical for the preparation of siliconcarbide

chemistry

C6O2H8, Ka = 1.7 x 10-5 calculate pka

chemistry

what is the lewis structure for N-bromosuccinimide?

chemistry

define a chemical bond

Chemistry

How many mL of 0.49 M HCl will neutralize 42 mL of 1.48 M NaOH?

Chemistry

What is the final concentration if 27.08 (MW: 36.46) dissolved in 55.51 ml?

Chemistry

Describe electron delocalization.

chemistry

hydrogen may not be advantagous as a fuel because

chemistry

I say unsaturated. Am I right?

general chemistry

how to calculate molarity?

chemistry

I say unsaturated. Am I right?

chemistry

what is the weight in kg of 3*10 22 molecules of NaOH

chemistry

write 63 ml in scientific notation

chemistry

What is the chemical formula of ketohexose?

chemistry

the no. of neutrons in 5g of D2O(Dis 2/1 H) are:

chemistry

Why is respiration an exothermic reaction?

Chemistry

Which base is the strongest for the given [H+]? A)10^-9 B)10^-11 C)10^-10 D)10^-12

CHEMISTRY

H2So4+S2=2S2+H2O

chemistry

sulphur+iron filings

chemistry

explain the fire symbol

chemistry

1.4602 cm x 2.488 cm x 10.399 cm =??

Chemistry

What is the molar number of PbI2

Chemistry

What is the mass of 3.01 x 10^22 iron (II) ions, Fe^2+?

Chemistry

Orbital Hybridization of CH2Cl2?

chemistry

how many sig figs are in 85,100?

chemistry

Find the volume of 20.0g of benzene

Chemistry

convert 58.8 atm to kPa

Chemistry

explain how to 1kpa to atm

Chemistry

how to multiply 2.45 mol x 6.02x10^23

chemistry

Is this correct? 3.84 mol(2 H2O/7.68)????

CHEMISTRY

hOW TO PREPARE HCL SOLUTION OF 5-7 pH.

Chemistry

Can you check my answer for the PH question @12:04 11/20?

chemistry

chemical reactions type?

chemistry

What is crystalline pprecipitate? Please.

chemistry

A solution with a pH of 7 has a [OH1-] of? 1 x 10-7 M?? Is that correct

chemistry

Why vaporization is a cooling process ?

chemistry

Why an atom is electrically neutral ?

chemistry

What is the molality of 67.1g of Nano3 in 2.5l of water

chemistry

How do I make a Smoke Bomb

chemistry

What is brownian motionand example

Chemistry

Chemical properties of salts

chemistry

Is sodium isotonic with Mg²+

chemistry

Please help what is the molecule CH3CH2CHCHCH3

Chemistry

Balance Fe2O3 + CO--> Fe + CO2

chemistry

Prove : Gr degree = 383 kj

chemistry

ho electrons are there in a silicon atoms?

chemistry

(2*10^3g/8.165g)/(0.071cm^3/0.051cm^3)

Chemistry

What is the uncertainty (+/- ?) of molar concentration (M)?

Chemistry

What is the percentage of nitrogen in N2O?

chemistry

10 l of a solution containing 1.5 moles of HI

chemistry

PH of gatorade and body sweat

Chemistry

If 30 ml of 02 M HCL with 45 ml what is the molarity of NaOH

Chemistry

What is C7H6O3 in empirical form and how do you get there?

Chemistry

I don't know what to do once I get the .49999 number

Chemistry

Can I call someone and talk to them

Chemistry

Does a k constant have a unit?

chemistry

A compound is 52.17 % C, 13.04 % H and 34.78 % O. What is its empirical formula?

Chemistry

2Li + Cu(NO3) > 2LiNO3 + Cu

Chemistry

Does methane dissolve in water?

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