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Chemistry
Page 97
Questions (96,852)
A rigid container at 300kPa is heated to a new temerature of 30 degrees celcius and a new pressure of 350kPa what is the intial
1 answer
asked by
Jackie
414 views
23.7 grams of glucose(C6H12O6) are added to water to give a 246 ml of solution. what is the Molarity
1 answer
asked by
Jackie
417 views
The ksp of aluminum hydroxide is 5.6e-17. What is the concentration of hydroxide in a saturated solution?
1 answer
asked by
Kat
412 views
What happens to the rate of a reaction if the temperature is decreased and why?
1 answer
asked by
Kat
357 views
What are the types and benefits of phytochemicals?
1 answer
asked by
Tootsie
377 views
I'm trying to figure out the formula for one liter of 1M K2HPO4 (Potassium Phosphate Dibasic). I know the amount of K2HPO4 is
1 answer
asked by
JB
368 views
Find the H30 concentration of the following solution
ph=3.00 would i (1*10^-14)/3.00
1 answer
asked by
Amy
285 views
Suppose you mix 20.1 g of water at 66.2°C with 45.1 g of water at 35.7°C in an insulated cup. What is the maximum temperature
3 answers
asked by
Lance
379 views
Any object, be it a space satellite or a molecule, must attain an initial upward velocity of at least 11.2 km/s in order to
1 answer
asked by
Lance
430 views
How do you balance the equation when citric acid is added to NaOH?
1 answer
asked by
peter
340 views
A gas has a volume of 50.0 cm3 at a temperature of -73°C. What volume would the gas occupy at a temperature of -123°C if the
1 answer
asked by
Richard
432 views
At what speed must an electron travel to have a wavelength of 13.6 pm? I got 9.89x10^-15 m/s as the answer and its wrong where
1 answer
asked by
Lance
351 views
How many moles of precipitate were recovered from BaCro4?
3 answers
asked by
Erika
347 views
what is my percent yield if i had 1.46 grams of copper to start with and ended with 2. 47 grams of copper?
1 answer
asked by
megan
361 views
I don't know why on earth I don't remember how to do this, but I can't, and it's so simple.
Calculate [H+] and [OH-] of a
1 answer
asked by
Anonymous
373 views
What weight of glycerol C3H5(OH)3 molar mass is 92 would have been add to 1000g of water in order to lower the freezing point
1 answer
asked by
Anonymous
323 views
What is a cathode and an anode? In the formula for table salt: NaCl, which part of the compound is a cathode and which part is
1 answer
asked by
Jordan
438 views
What transitional metal might be suitable to manufacture indestructible spectacle frames: Explain your choice.
1 answer
asked by
Jordan
303 views
Why is iron not used to make surgical and other knives: Explain your reasons.
1 answer
asked by
Jordan
336 views
How can i prepare a solution of 12 g 50% (w/v) NaOH?
1 answer
asked by
PAnos
320 views
Use oxidation numbers to identify if this reaction is REDOX reactions.
SO2(g) + H2O(l) -> H2SO3(aq) for oxidation #s I got: SO2 =
1 answer
asked by
Amy
788 views
Find the [OH-] of .196 M NaOH and .262 M NH4Cl
1 answer
asked by
Lilly
319 views
If 3.5 mL of distilled water is added to 1.5 mL of 0.280 M CoCl2 solution, what is the concentration of the resulting solution
1 answer
asked by
Tashawna
388 views
Exactly 23.6 ml of a 0.131 N HCl solution was required for complete neutralization of 25.0 ml of an NaOH solution.What was
1 answer
asked by
Rajan Khare
431 views
Can you please explain what's a covalent bond and give some examples? would N-N be a covalent bond?
1 answer
asked by
Anonymous
432 views
Calculate the concentrations of each of the ions in 0.25 M Fe(NO3)2.
a) [Fe2+], M b) [NO3-], M
1 answer
asked by
Emily
422 views
A 2.64 L container is filled with 169 g of argon.
(a) If the pressure is 10.0 atm, what is the temperature? ____K (b) If the
1 answer
asked by
Sophie
366 views
A 2.64 L container is filled with 169 g of argon.
(a) If the pressure is 10.0 atm, what is the temperature? ____K (b) If the
1 answer
asked by
Sophie
410 views
Calculate [H+], [OH-] & ph of strong acids strong base.
1 answer
asked by
Sahil
388 views
Will ph value of water be same at temp 25°C & 4°C? Justify it.
1 answer
asked by
gagan
289 views
Will ph value of water be same at temp 25°C & 4°C? Justify it.
1 answer
asked by
gagan
292 views
Will ph value of water be same at temp 25°C & 4°C? Justify it.
1 answer
asked by
gagan
346 views
Calculate the ph of 10^-8 M (HCL).
1 answer
asked by
gagan
337 views
How do you calculate the following:
Starting with a liter of 1M sodium acetate (pka of acetic acid = 4.75 ), calculate the number
1 answer
asked by
Maria
425 views
How many grams of C are required to make 431.47 grams of C3H8?
1 answer
asked by
Brooke
365 views
When 320.62 grams of Bi2O3 react with excess of C, how many moles of Bi form?
I know I need to use stoichiometry, but I can't
3 answers
asked by
Brooke
400 views
Write an equation (chemical or ionic) and use oxidation numbers to find out what is being oxidized and what is being reduced.
(a)
3 answers
asked by
Click6
379 views
What mass of NaNo3 would be required to prepare 10% solution of the salt in 100cm square of distilled water
1 answer
asked by
Osegbe
339 views
1. Consider the conductance meter and the titration method of determining the salt content of a brine sample. Discuss at least
2 answers
asked by
Shannon
540 views
Select the most likely rate law for the following:
(CH3)3C-Br + OH- > (CH3)3C-OH + Br- a. Rate=k[(CH3)3C-Br] b.
1 answer
asked by
Carole
417 views
If oxygen is removed, the amount of magnesium oxide
a.will increase b.will decrease c.will not change. and why? Thanks for your
1 answer
asked by
Emma Rae
330 views
How to separate acetic acid from aqueos solution.
1 answer
asked by
Micheal
324 views
How to separate acetic acid from aqueos solution.
1 answer
asked by
Micheal
393 views
How many atoms of iron will react with an excess of sulfur to form 3.098 grams of iron (II) product? Fe + S ---> FeS
1 answer
asked by
Alex
389 views
Estimate the value of the equilibrium constant for the dissolution of LiF(s) in a strong acid
1 answer
asked by
Lilly
327 views
Compare the water solubility and expected BP of propanol, propyl acetate, and acetic acid. Briefly explain why the difference
1 answer
asked by
Mike
413 views
A certain substance has a heat of vaporation 56.21 kj/mol. At what kelvin temperature will the vapor pressure be 6.50 times
1 answer
asked by
Josh
354 views
A certain substance has a heat of vaporation 56.21 kj/mol. At what kelvin temperature will the vapor pressure be 6.50 times
1 answer
asked by
Josh
342 views
A certain substance has a heat of vaporation 56.21 kj/mol. At what kelvin temperature will the vapor pressure be 6.50 times
1 answer
asked by
Josh
369 views
If you produce 3.63 moles of Na2, how many moles of H2 was needed?
1 answer
asked by
Joni
453 views
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