59,905 results, page 51
Why can't milk of magnesia (Mg(OH)2), act as a buffer?
calculate the density of NH3 gas at s.t.p.
d(g)--->3/2 e(g)+5/2 f(g) when e increases by .25 mol/l*s how fast is f increasing
How does a pH of a buffer solution go outside of its range?
What is the oxidation number of chlorine in Al(ClO4)3?
estimate the boiling point of Pcl3
calculate the PH of a buffered solution of HF and F (Pka of HF is 3.2)
How do you separate oxygen and methane gases?
A|A+3(0.1)||B+2(0.01m)|B GIVEN E°A|A+3=0.75v E°B|B+2=0.45v
What mass of copper will be deposited by a current of 7.89?
how many significant figures are in the measurement 0.002 ml? 2??
What is the mass of a 4 kg object, A. On the earth (g=-10 m/s/s) B. On the moon (g=-2 m/s/s)
What intermolecular forces are present in CSH2??
The molar volume of an ideal gas is
how many hao's exhibited by S16? my answer is 4?
What are some errors that can be made in colorimetry?
HCOOH + CaCO3 will give what (what are the products)
If there are 5,280 ft=1.00 mile ,how many miles are in 50,000 ft?
I want to make 10 ml solution of 80% NaOH and 20% KOH
What is the mass of 0.0137 mol of aspirin?
How many oxygen atoms are in 3.90 g of quartz?
0.00267m= how many nm? please show me how to set this up. thanks!
How many kJ is released when 3.4 mol of water is frozen?
would NBr3O be polar or nonpolar?
average atomic mass of isotopes
8.00 times10*19 molecules H2O to grams
How many atoms are in 448 grams of carbon?
What is the mass in grams of Br in 8.53 moles of FeBr5?
find the# of molecules in 5.3 moles of h20
give products of HgCl2 + KSO4
calculate the molar concentration of 0.1 " AgNO3
How many moles of platinum would be in 10.0 g of this metal?
Name a lustrous non metal?
Can a substance,that cannot be electrolysed,conduct electricity?Why?
what is the pH of .001M solution of acid (pKa=3)
How many grams of drug X are in 10 mL of a 1:200 solution of X?
Why is it important to not let the wooden split burn ?
At what ph will Al(OH)3 begin to precipitate from a .10 M solution of AlCl3?
What is the bond enthalpy of N2(g)+2H2(g) --> N2H4(g)?
How many oxygen atoms are there in 0.018 mg of H2O?
What is the mass of an atom's nucleus called?
How many kilojoules are absorbed when 318 g of Ca(OH)2 reacts?
name three characteristics of nonmetals
What is the pH of a 0.5 M solution of NaHCO3? Kb = 2.4x10-8 (base)
calculate the pH of 5M aqueous ammonia. Given kb=1.8 x 10^-5
What is the chemical formula for coconut oil?
What is the Lewis structure for salicylic acid ?
how many molecules are present in a 750 ml of C6H12O6
How to solve this problem in counting atoms 2 pb(CN)2
Would copper (II) phosphate be nonpolar?
Explain the trends in the solubility of water.
How can i synthensize 1g of salicylic acid from benzene
How can i synthensize 1g of salicylic acid from Phenol
What is the ionic strength of 0.2 M Na2HPO4 in a solution?
why we not use HNO3 and HCl in iodometry
How do you find the formula for nitric acid?
What does potassium nitrate form when it decomposes
How many molecular does 36.0 grams of water represent?
if i added (0.1N) 4.6 ml of NaOH to 10 ml of Ch3cooh calculate the ph
Calculate the mass of Mg needed to produce ~40 mL of H2. how do I do this?
Why is radius of Fe2+ less than that of Mn2+ ?
What happens to the pH of an acidic solution when it is heated
Complete the reaction- 2F2(g)+2H2O(l)=?
what is the mass of an empty 75 mm test tube?
What is the density of NH3 at 800torr and 25 Celsius?
how many chloride ions are in o.35 mol MgCl2?
___Fe(NO3)2 + Al___Al(NO) +__Fe
what is the oxidation number of Chlorine in KCIO4???
Highest ionization energy to lowest I be ci f
Highest ionization energy to lowest I be ci f
calculate the pH of a 0.100M NH4Cl solution.
Calculate the empirical formula of Tylenol: C, 63.56%; H, 6.00%; N, 9.27%; O, 21.17%
How many grams of NH4Cl will dissolve at 50 degrees C?
How many moles are in 2.3 grams of oxygen gas.
Is the formation of C2H2 endothermic or exothermic?
What is the pH of a 0.052 Mole solution of HCl?
how many protons and electrons are in 7.4 grams of hydrogen?
Find the % ionization if the pH of a 0.10 mol/L solution is 4.5
What is the volume of 3.11×10 to the power 23. Molecules of NH3 at S.T.P
Which is more soluble in water, Cl2 or I2?
what is the concentration of 24.5g of Ca(NO3)2 in 244mL of water
What is the equilibrium constant for 2A + 3B (double arrow) =4C Is it (C)^c/ (A)^a (B)^b
What is the solubility of ZnCO3 at 25 o C in a buffer solution with a pH of 9.74?
What are the number of molecules in 16g of h2co3??
Which conducts better, BeCl MgCl2
How can I do an acrostic poem for the word REDOX?
Calculate the ph of a solution that is 0.157m HCI?
What is the oxidation state of chromium in cr2o7^-2
What is the oxidation number for each atom in NH4F? N=+3, H=-4, F=+1 N=-3, H=+1, F=-1*** N=+3, H+1, F=-1 N=-3, H=-1, F=+1
Write on the physical properties of benzene
How many electrons are present in 0.002 moles of O--?
a compound or solute will molecular mass 36?
a compound or solute with molecular mass 36?
What is the percent of aluminum in Al2(SO4)3? A. 15.8% B. 28.1% C. 56.7% D. 54.0% C?
calcuate the normality of 0.2M solution of h3p04 ?
How many ml of 8.00 M Na OH is required to neutralize 200 ml of 4.00 M HCl?
The Ka of an acid is 1.3 x 10–7. Based on the Ka and its relationship with Kw, what is the value of Kb?
Why reversible reaction never complete
Calculate the normality of 1.5M sulphuric acid
What is the volume in L of 34.0g of Ammonia (NH4) at STP?