CHEMISTRY (WEBWORK)

58,512 results, page 14

chemistry

what is the electron configuration for carbon

chemistry

How many valence electrons are there in BrF3?

chemistry

describe global warming

chemistry

What is the general formula for a hydrate?

Chemistry

Is SO3 always a gas?

chemistry

what is 200grams-1000cm3? please help me!

chemistry

What is the hamiltonian for a Lithium atom?

Chemistry

what is the lewis structure for CH3?

Chemistry

What is the electron configuration of Cu2+?

chemistry

Alternative of sodium arsenate

chemistry

What is the Leis Structure for PbCl3?

chemistry

how many grams are in 5.2*10^15 atoms of nickel

Chemistry

what is the density that has a mass of 77.0 g and a volume of 36 mL?

Chemistry

what is the density that has a mass of 77.0 g and a volume of 36 mL?

chemistry

2420 multi ply by 24

chemistry

what's the product of iron and sulphur

chemistry

How many moles are there in 4.76e24 atoms Al?

Chemistry

If you have 0.2 M of NaC7H4ClO2 with a pH of 8.65, what is the pH of 0.2 M of HC7H4ClO2?

chemistry

how do I convert 25.0 miles to kilometers

Chemistry

Which of the following is a reactive gas? 1. Cl 2. Na 3. Au 4. Ra 5. Rn Is it 1. Cl?

Chemistry

Which of the following is an unreactive metal? 1. Na 2. Au 3. Rn 4. Ra 5. Cl Is it 2. Au?

chemistry

how many moles in 100g of each.. its for phosphorous

chemistry

what ion has 12 protons and 10 electrons?

chemistry

What are the physical properties of sucrose.

chemistry

what are the physical properties of sucrose?

chemistry

How many moles are in 52.3 grams of CaSO4?

CHEMISTRY

What is reaction between HI+HNO3

Chemistry

What is the repeating unit of nylon 6-6?

Chemistry

What is the boiling point of heaxane?

Chemistry

(x)/(.00125-x)(.00000025-x)=Kc How do I solve for x or Kc?

chemistry

how to convert ethane to propanone? Thank you!!!!

Chemistry

What counts as a conversion factor ?

chemistry

why NaOH must be standardized?

chemistry

what is the ph of a solution formed by dissoving

Chemistry

Determine the pH of 0.18M NH4Cl.

Chemistry

Determine the pH of 0.18M NH4Cl.

Chemistry

Determine the pH of 0.18M NH4Cl.

Chemistry

Determine the pH of 0.18M NH4Cl.

Chemistry

Determine the pH of 0.18M NH4Cl.

Chemistry

Calculate the pH of .100M of HClO2.

Chemistry

Find the Ph of solutions with the concentrations 1.15 x 10^-6M

chemistry

what is the pH of .28 M HNO3 (aq) at 25 degree celsius? (Kw = 1.0 x 10 ^-14)

chemistry

which reactant has been oxidized?

Chemistry

What is the colour of: 1. Cu+ 2. Cu2+ 3. Cu3+?

College Chemistry

I don't have an answer.

Chemistry

What is the percent by mass of Ca3N2?

chemistry

nitrogen+hydrogen=ammonia

Chemistry

What is the pH of a 0.200M solution for HBrO? Ka = 2.8 x 10^-9

Chemistry

What is the pH of a 0.200M solution for HBrO? Ka = 2.8 x 10^-9

chemistry

what is the conjugate base of H2SO3??

chemistry

what is conjugated base of NH4+

Chemistry

Is C2Cl2 a bent molecule

chemistry

what is the formula for magnesium with Nitrogen

Chemistry

solve Ka for HX => H^+ + X^- given 0.1M LiX at pH=8.9

Chemistry

How many moles are there in a 4.3 mole of tungsten?

Chemistry

How many protons, nuetrons, and electrons are in 18 2- O 8

Chemistry

How many moles are there in a 4.3 mole of tungsten?

Chemistry

Why do atoms display spectra?

Chemistry

Is xylose a pentose or a hexose?

Chemistry

What does equivalence point mean?

chemistry

45.0 ml of 9.0x10 the negative 2m hno3

Chemistry

what is the % of mass of 50.0g of solute in 45.0g of water?

chemistry

what is the vapor pressure of ethonal at 75°c?

chemistry

the kingdom animalia includes

chemistry

H2(g)+Cl2<--->2HCl(g)+184kj

Chemistry

can u calculate the number of moles 0.5g of H?

chemistry

What is the oxidation number of Ga in Ga(NO2)3? is it O?

Chemistry

DrBob, if you're still on...what do I do for NaCl??

chemistry

What is the pH of a solution that is 0.20 M CH3COOH and 0.10 M CH3COONa?

Chemistry

Is 20.0 mL of 3.0 M HF a buffer solution with an approximate pH of 3?

chemistry

what is the density of O2 gas at STP

chemistry

how to find grams from 12 moles

chemistry

when is a chemical bond broken

Chemistry

How do you convert fahrenheit to "K" If its 60 degrees F, how do I get to "K" Thank you

Chemistry

Q: How is melting different from evaporation?

Chemistry

Q: How is boiling different from sublimation?

Chemistry

Is the formula for benzene : C6H6 ?

chemistry

what is the value of log in a pH calculation?

Chemistry

Balance the solutions of Fe2+

college chemistry

density of sulphur

chemistry

What is the molecular mass of aspirin?

chemistry

How many atoms does 2.0 moles of He represent?

chemistry

calculate the number of atoms of C of 25.0g C?

chemistry

What is the ph of a 0.00100 M HCl solution?

chemistry

what is the perpose of the phenolphthalein solution?

chemistry

NaOH+CO(NH2)2----> what's the products??

chemistry

what is the percentage of water in Ba(OH)2 x 8H2O?

chemistry

What is the pH of 0.10 M HNO2 given Ka = 4.5x10-4.

chemistry

give 30 example of solute

chemistry

what is the equivalent of 0.46ml in microliters?

chemistry

What is the coordination number of [Pt(NH3)4]2+

Chemistry

Ti(CH3CH2OH+HCl+C2H6O

chemistry

How to find the density of mercury

chemistry

convert 8.99 x 10^2 m/s^2 units of km/hour^2?

chemistry

How many cm does it take to make 500ml

chemistry

How many cm does it take to make 500ml

Chemistry

Does methanol absorb UV light?

chemistry

What is the mass, in grams, of 3.57×10^−2 ?

chemistry

the # of protons in an atom of sodium-23 is

chemistry

the # of electrons in an atom of Iron-56 is

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