chemistry! URGENT

59,905 results, page 47

chemistry

What is the molarity of OH- in an aqueous solution that is 0.31 M HNO3?

chemistry

What is the molarity of OH- in an aqueous solution that is 0.17 M HClO4?

chemistry

How many grams of NH3 can be made from 375g of N2?

chemistry

How many grams of N2 are needed to react with 125g of H2?

chemistry

In the Ideal Gas Law, where PV = nRT, R is ?

chemistry

What are conjugate acid-base pairs

chemistry

If we have a solution in which the [OH -] = 3.3 x 10-4, then the [H3O+] must be

chemistry

When K2SO4 is mixed with water, we expect:

chemistry

A particular solution has a [H3O+] 2.44 x 10^-4. Therefore, the [OH-]= 4.10 x 10^3 4.10 x 10^-11 2.44 x 10^-4 1.71 x 10^-8 9.09 x 10^-16

chemistry

electronic dot formula for C4H10

Chemistry

calculate the theoretical yield for silver

chemistry

how do you differenciate ideal and real gases

chemistry

how many moles are there in 100 g of sulfur dioxide?

chemistry

How do you properly solve _ Ag + _ Cu(Nu3)2 ---> _ AgNo3 + _ Cu

chemistry

How many water molecules are in a 0.265 g sample?

Chemistry

How many atoms of nitrogen are in a molecule of Al(No3)3

Chemistry

What is the molar mass of hydrogen gas, H2?

chemistry

determine the i value for kcl solution

Chemistry

Is (NH4)2 CO3 ionic or covalent?

chemistry

When do you put the suffix (g) after a compound?

Chemistry -I really need Help.

what is the mass of 4 moles of Li?

chemistry

what is the energy in joules of one quantum of 55.4 nm

chemistry

what would be the order from slowest to fastest? Kr, Ar, Ne, N

chemistry

2.875 mol H2O = ___ g

chemistry

why is AgNO3 stored in an amber bottle

chemistry

if 25.00 g of Zn reacts with 30.00 g MnO2 what mass of Zn(OH)2 will be produced?

chemistry

I^- H5IO6 BrO2 HClO I2 Which could not disproportionate?

Chemistry

How many moles are in 12.0 grams of Potassium Sulfide?

chemistry

state what will be observed on heating Pbco^3

chemistry

how can sand and iodine crystals be separated

chemistry

How many iron atoms are in 0.32 mol of Fe2O3

chemistry

how does the electrolyte paste in a battery work

Chemistry

[OH] = 1.5 x 10^-13 , what is the [H3O] ? This is what I did. 1.0 x 10^-14 M / 1.5 x 10^-13 M = 1/15 or.066666 So what is the correct answer? Thank You

Chemistry

What species is classified as an Arrhenius base?

Chemistry

What is the chemical equation for AgNO3 + NaCI?

Chemistry

50g of H2SO4 produce how many grams of H2?

Chemistry

A solution in which [H+] is 1000 times greater than [OH-] [OH-] = ?M

chemistry

how to find a pH for 0.10 M HCL? please explain

chemistry

Calculate the pH of a 0.0019 M HNO3 solution.

chemistry

Calculate the pH of a 0.0019 M HNO3 solution. 2.7

AP CHEMISTRY

how did u get .0444 in the question i just asked

chemistry

what is the molecular geometry of niacin? C6H5NO2

chemistry

How many molecules of NH3 are produced from 4.56x10^-4 g of H2

Chemistry

Calculate the pH of a 5.90x10-3 M solution of H2SO4.

chemistry

what are van der waals forces

Chemistry

If Kc = 0.480 at 40.°C and Kc = 0.630 at 90.°C, what is ΔH° for the reaction? X<---->Y

chemistry

under rate of reactions Fe^2+ + Cr2o7^2- » Cr^3+ +Fe^3+

chemistry

balance the equation: Io^3 + I yield H2O + I^2

Chemistry

How many electrons and orbitals are represented by 2s2

Chemistry

What is the complete chemical equation? Al(s) + Cu(CH3COO)2(aq) -> ?

chemistry

what is the difference between a nanocomposite and a nanotube?

Chemistry

How do you convert Ounces to Grams longhand?

Chemistry

how many phosphorus atoms are present in 25.0 g of P4O10 ?

Chemistry

what is the magnitude of delta for [Ti(H2O)6]3+ in kj/mol?

chemistry

calculate the ph of 20 ml of .1M NaOH to 40 ml of acetic acid

chemistry

calculate the ph of 20 ml of .1M NaOH to 40 ml of acetic acid

chemistry

calculate the ph of 20 ml of .1M NaOH to 40 ml of acetic acid

chemistry

calculate the ph of 20 ml of .1M NaOH to 40 ml of acetic acid

Chemistry

how do you show the synthesis of copper (1) chloride?

Chemistry

Aluminum sulfate and calcium acetate = ?

chemistry

How are the spots on the TLC plates observed?

Chemistry

what is the electronegativity of NH3, CH4, AND CO2?

Chemistry

What is the hybridization of both carbons in: C=CH2 ?

Chemistry

What are the rules to determine the solubility of salts?

Chemistry

How many moles of ammonium sulfate were released in 25.3 kg?

chemistry

how to test for iron in an audio tape?

chemistry

Is it okay taking caffeine then ascorbic acid?

chemistry

How many moles are in 16.48 g Mg? Answer in units of mol

chemistry

what are the applications of the silicon atom with its isotopes of 28,29,and 30?

Chemistry

What is the pH of a 2.5 x 10-2 M HCl solution? I'm so confused how to find this :(

chemistry

what is hibs boson it is a gold particle

chemistry

what is the balanced equation for Mg+HNO3==>Mg(NO3)2+H2

chemistry

What is the volume of 2.8 × 10^6 molecules He? Answer in units of L

CHEMISTRY

What is the [H+] in a 0.10 M solution of ascorbic acid,C6H8O6?

Chemistry

Calculate the [h30+] in a 0.010M solution of Sr(OH)2

Chemistry

In a titration curve, how do i find the pH1/2??

chemistry

What is the net charge on Phe-Asp at each pH? a. pH 1 b. pH 7 c. pH 14

Chemistry

This volume of base and its corresponding pH is known as the______

chemistry

how can i find pH using scientific notation? 1*10^1 1*10^2

chemistry

plot (IO3) vs. reaction Time(s)

Chemistry

how many atoms of oxygen are present in 30 g of glucose

Chemistry

0.1 mol of HCl is added to 1 L of water. What is [H+] and [OH-]?

Chemistry

how many atoms of oxygen are present in 30 g of glucose

chemistry

balancing half reactions: ClO2^-1 --> Cl^-1

Chemistry

A solution of formic acid 0.20 M has a pH of 5.0. What is its Ka value? a) 5.0 x 10-10 b) 1.0 x 10-5 c) 5.0 x 10-5 d) 25

chemistry

how many times a proton is heavier than an electron

Chemistry

Propanoic acid has a Ka of 1.3 x 10^-5. What is the % ionization in a 3.0M solution?

Chemistry

Why do chloride ions increase corrosion?

Chemistry

Explain what causes pressure in a container.

chemistry

convert a pressure of 1.75 atm to kpa

chemistry

convert a pressure of 1.75 atm to kpa

Chemistry.

Is this formula (Fe2O3) iron oxide?

chemistry

how do i convert 2.23*10 22 formula units to moles?

chemistry

What is the wavelength of a photon that has an energy of E = 4.01×10^-19J ?

chemistry

How do I calculate the initial concentraion of an acid?

chemistry

what are all the names of the compound CH3OH?

chemistry

How do you calculate the theoretical cell voltage? 1) Zn|Zn^+2 | Cu|Cu^+2 2) Cu|Cu^+2 | Zn|Zn^+2 3) Fe|Fe^+2 | Cu|Cu^+2 4) Zn|Zn^+2 | Cu|Cu^+2 5) Cu|Cu^+2 | Cu|Cu^+2

chemistry

How to equation 7.9 = 7.21+log((0.105 -4.2x)/4.2x) ? What is the value of x?

chemistry

When do phase transitions occur in molecules?

chemistry

How many moles of compound are in 26.5g of Na2CO3 x 10H2O?

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