CHEMISTRY (WEBWORK)

58,512 results, page 16

chemistry

FeCI3(aq)t koh(aq) fe(oh)3(s) t kci(aq)

chemistry

how to find mass percentage

chemistry

write the reaction for Zn + HCl

Chemistry

What are the products of KOH + SO2?

chemistry

resonance structures of ch3nco

chemistry

How many grams are in 2.25 mole of NaBr?

Chemistry

What is the pH of a 0.0344 M KOH solution?

chemistry

what is the ph of a 2.0M solution of a strong acid?

CHEMISTRY

What is buffer, and how does it affect the pH of a solution?

chemistry

number of moles in CL- 1.75 L of 1.0*10 -3M ZnCl

chemistry

whatspecies are present in kcl

Chemistry

How many valence electrons does Mo+3 have?

Chemistry

How many isomers does bromoethane (C2H5Br)??

Chemistry

How many moles are in 51 g of (NH4)2SO4

chemistry

What is the molarity of KOH in a solution that has pH of 10.0?

Chemistry

What is the formula for measuring turbidity?

chemistry

How is salt nd hydrogen produced

Chemistry

Determine the number of moles in 56 g of N2

Chemistry 12

Is O2(g) <---> O2(aq) an endothermic/exothermic reaction, and why?

Chemistry

Calculate the normality of 5 M HCl

CHEMISTRY

What is the oxiden number of NO2?

chemistry

A 14.0g of N2 occupies what volume atSTP

Chemistry

Could NH4 ever be a gas?

chemistry

what are some examples of suspensions?

Chemistry

What are the types and benefits of phytochemicals?

chemistry

which of the following are isoelectronic species: Na+,K+,Mg+2,Ca+2,S2-,Ar

Chemistry

How can i prepare a solution of 12 g 50% (w/v) NaOH?

chemistry

what is the element with the electron arrangement 2 8 7

chemistry

how many atoms in 8.87g of silver

chemistry

Balance point of HCL

chemistry

calculate the pH of a 2.0 M solution of KCl.

Chemistry practice

x+y=9.0 0.50+0.20y=3.90 What is the valuse of x and y?

Chemistry

x+y=9.0 0.50x+0.20y=3.90 What is the value of x and y?

chemistry

What is the product when ethanol is oxidized?

Chemistry

37 grams of Ca(OH)2 in 500 ml of solution is

chemistry

? [H3O+] in 0.15 M C2H2H8 and 0.35 M C2H2H9Cl

chemistry

how to calculate neutrons in 99Tc43

Chemistry

How many moles of Ne occupy 2.0 L at STP?

chemistry

How do I draw Lewis Structure for BN and CN-

chemistry

what does 9.54e-7+7.25e-4 equal?

Chemistry

What is the cleansing action of detergent?

chemistry

how to convert from 40.grams to tons

chemistry

state symbol for 2Mg

chemistry

a) How many micrometers make 0.4 m? b)How many µg in 4.732 mg?

chemistry

What are the oxidation states of chromium -6(Cr^+6).

Chemistry

how many grams of F are in 335 g of CaF2?

chemistry

Calculate the volume of 0.05 kg of bromine. (D=3.12 g/ml)

chemistry

Calculate the volume of 0.05 kg of bromine. (D=3.12 g/ml)

bio chemistry

why is polarity important

Chemistry

How do you calculate the concerntartion of vinegar?

Chemistry

convert 548mL to cm3

Chemistry

Determine the pH of a 0.10 M MgCl2 solution.

Chemistry 105

How many mL of O2 will form from 55.2g KClO3?

CHEMISTRY

how many elements in (NH4)2SO4

chemistry 111

How many moles are in 6.35 g of NaOH

Chemistry

Zn + I2 ---> Zn ^+2 + 2I- will this reaction occur spontaneously?

chemistry

WHAT PROPERTY OF SOLUTION IS DESCRIBED BY ITS pH?

chemistry

DOES Mg(OH)2 HAVE A pH greater than 7 or less than 7

Chemistry

Identify the equation for which Keq= [Cu+]2[S2-]

Chemistry

How many valence electrons are in Na then in the 1+ion of Na?

Chemistry

The Aufbau Principle is concerned with what?

Chemistry

What is considered a secondary alcohol ?

chemistry

4g of h2 reacts 70 g of ci2 and forms

chemistry

how do u find percent abundance?

Chemistry

Why water is a weak electrolyte?

chemistry

what is oxidation state of NO2

chemistry

Volume of 0.185 mol . L-1 and 0.74 M

chemistry

How many moles of NH3 are produced from 48.5 g of H2?

chemistry

STP conditions are considered to be

chemistry

1 atmosphere of pressure is equivalent to

chemistry

If the pH of a particular solution is 2.08, then the [OH -] must be:

Chemistry

What is the pH for a solution with a hydrogen concentration of 1.00 x 10^6?

chemistry

How many moles NaOH in 66.4 mL of 0.1 M solution?

chemistry

What is the pH of 14g of Ca(OH)2 dissolved to 350ml

Chemistry

What is the balanced equation for Ba(OH)2 + HCl?

chemistry

What is the volume of 2.10 lb of ethylene glycol?

chemistry

what substances form if we add 3 O 1 Na 1 C and 1 H

chemistry

What isthe ionization of water?

chemistry

calculate[OH-],[H+] of a .20 M solution of triethylamine Kb=4.0*10^-4

chemistry

how many significant figures in 200600

chemistry

what causes the the fermentation of wine?

Chemistry

Why do metals tend to be malleable?

chemistry

how do i find polyatomic ions?

chemistry

convert HCHO to CH3CHO

Chemistry

What is the stoichiometry of elements in c2h6

chemistry

What volume does 16.0g of o2 occupy at stp

Chemistry

What is the chemical definition of a base?

chemistry

how can H2O and ethanol be separated

Chemistry

What is chemical name for Na2Cr2O2?

chemistry

ch3o what is functional group

chemistry

How many molecules in 8.221g PbO2?

chemistry

A Ca(OH)2 solution has a pH of 8.0. [H3O+] = 1.0 x 10^-8 and [OH-] = 1.0 x 10^-6 Determine [Ca(OH)2].

chemistry

What is the color of a neon light?

chemistry 103

what is electron cofiguration?

Chemistry

How do you find the partial pressure?

Chemistry

How many significant figure in 4.297*10^4

chemistry

how do you do electron dot diagrams?

Chemistry

How many electrons are in oxide and in oxygen

chemistry

what type of reaction is Al+S8=Al2S3

chemistry

how to change mg/mL into mmol/L?

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