chemistry! URGENT

60,378 results, page 39

chemistry

The nuclear reaction Sn ¨ Sb + ? is an example of

chemistry

what are the fundamental particles in antifreeze

chemistry

Preceed the equation of CuSO4 + Fe

Chemistry

what is the empirical formula for a compund with 26.2 g N, 7.5 g H, and 66.3 g Cl?

chemistry

explain why iron is paramagnetic?

chemistry pH

calculate [H^+] and the pH of 0.025M of HNO3

chemistry

Is CF4 polar or nonpolar?

chemistry

what are structural examples of an aldehyde?

chemistry

lewis structure of HOCH2S-

Chemistry

How many valance electrons are there in [(C2H5)4N]+ ?

Chemistry

Hydrocinnamoyl chloride + AlCl3 --> ??

Chemistry

What is the pH of a 0.20 M HF solution that is 5.8% ionized at 25 Celsius ? A.4.45 b.0.70 C.1.93 D.1.23 E.1.40

chemistry

how many phases do suspensions have?

Chemistry

Name a few pharmacopoeias.

Chemistry

How many liters are in .005 moles?

chemistry

When 25.0 g of Zn reacts,how many L of H2 are formed at STP?

Chemistry

Co-ordination number of Cr in Cr(n^6 - C6H6)2 is

chemistry

how to prepare 24 μL of 5% H3BO3

chemistry

how many gram of h2 needed to react with 3.10 n2

chemistry

how many gram of h2 needed to react with 3.10 n2

chemistry

The number of moles of o2 in 45.0L} of 02} gas.

Chemistry

what happens to a battery when it is "recharged"

chemistry

what is the h+ of a solution with a ph of 10 at 25 degree celsius

chemistry

When does a chemical become a drug?

chemistry

WHEN DOES A CHEMICAL BECOME A DRUG?

CHEMISTRY

WHEN DOES A CHEMICAL BECOME A DRUG?

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?

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