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Chemistry
Page 74
Questions (96,937)
(x)/(.00125-x)(.00000025-x)=Kc
How do I solve for x or Kc?
1 answer
asked by
Koo
318 views
Which of the following solutions added to the hydrogen peroxide solution may act as a catalyst.
KI, KCl, NaCl Are KI, KCl, NaCl
1 answer
asked by
Sarah
405 views
If 152 g of a cyclohexyl bromide is dissolved in 932 g of benzene solvent, calculate the boiling temperature of the solution.
1 answer
asked by
Kobe
403 views
What mass ( g ) of the solvent chloroform that should be added with 5287 mL of the solute hexane to produce a solution that is
1 answer
asked by
Anonymous
414 views
what is the water vapor pressure of water at 29 degrees celsius? i can't find the information anywhere.
3 answers
asked by
Heather
371 views
You will titrate your weak acid unknowns with a solution of NaOH of about 0.10 mol/L. The lowest molecular weight on the list of
1 answer
asked by
LU
427 views
A gas sample containing only SO3, CH2O and C2H6O2 has the following mass percent composition: 65.1% SO3 and 8.79% CH2O.
3 answers
asked by
Luc
442 views
In a titration HCl and NaOH have a 1:1 ratio. Can you still use the formula M1V1 = M2V2 to find the molarity of the NaOH base if
1 answer
asked by
Jimmy
429 views
What are induced dipoles?
1 answer
asked by
Anna
268 views
What counts as a conversion factor ?
3 answers
asked by
Ana
301 views
What does it mean to have a percent yield over 100?
1 answer
asked by
Melissa
313 views
What is the molar mass of a molecular solute when 5g of the solute dissolved in 150g of phenol lowers the freezing point 1.5C?
do
1 answer
asked by
Veronica
445 views
94.0 g of a metal at 88.0°C are added to 55.0 g of water at 26.0°C. When the system reaches constant temperature, the
6 answers
asked by
Megan
411 views
Determine the pH of 0.18M NH4Cl.
1 answer
asked by
Katelynn
377 views
Can you tell me what the systematic name for a compound which has a carbon attached to a phenyl, a double bonded oxygen, and a
1 answer
asked by
Max
421 views
I am really stuck on these 2 questions:
1. Why was 2M HNO3 added before adding 0.05M AgN03? 2.Write a full equation b.) an ionic
3 answers
asked by
Mahta
424 views
Does anybody know the principle quantum number of an atom that has s, p, d, f orbitals?
I'm pretty sure the number is inbetween
1 answer
asked by
Marla
380 views
Are the molecular and imperical formula of lauryl alcohol the same? C12 H26 O?
1 answer
asked by
Aidan
422 views
Why is the light from an incandescent light bulb white?
1 answer
asked by
student
363 views
Does anyone know what is phenoxyethyolated alchohol?
1 answer
asked by
Jan
265 views
How does the process of chromium electroplating work?
1 answer
asked by
LALA
367 views
How does the process of chromium electroplating work?
1 answer
asked by
LALA
342 views
How much KCI dissolves n 100 g of water at 80 degrees C?
1 answer
asked by
John
419 views
Find the Ph of solutions with the concentrations
1.15 x 10^-6M
3 answers
asked by
Anonymous
300 views
A 8.6 x 10^-3M solution of H3PO4 has a pH=2.30. What is Ka for H3PO4
3 answers
asked by
Anonymous
392 views
You have KI and Pb(NO3)2 being mixture to give you an insoluble salt. What is the ionic equation per insoluble salt.
1 answer
asked by
Janelle
432 views
I am asking for the balanced equation for NaOH and ammonium chloride. And what what gas is given off with this two react when
1 answer
asked by
Gillian
423 views
What is the wavelength of radiation that has a frequency of 5.8 X 10^12 s-1?
I keep getting 5.17e19 but it keeps saying that's
3 answers
asked by
Janie
432 views
For a reversible reaction where A + B (both arrows) C + D, the equilibrium constant is represented by kc = 5.3 = (c)(d)/(A)[B].
1 answer
asked by
Katie
418 views
The titration of a 50.0 mL solution of the monoprotic bromoacetic acid (pKa = 3) takes 10 ml of 0.01 mol L-1 NaOH to reach the
1 answer
asked by
Connie
437 views
Condensation occurs on a bathroom window at a rate of 0.5 kg per hour. If the bathroom air is at 26°C and fully saturated with
1 answer
asked by
Beata
288 views
What substance is a better oxidizing agent in each of the following pairs? Explain.
a) Co2+ or Cr3+ b) Mn2+ or I2 I think C02+
1 answer
asked by
Leanne
388 views
I have some enthalpies of formation for a reactant and transition state but calculated using different computational methods. I
1 answer
asked by
Alice
345 views
What would be the most likely product(s) when you react CuI with NH4OH?
1 answer
asked by
Alan
346 views
Can [Cu(NH3)2]^+ and/or [Cu(NH3)3]^+ be oxidised by air to become [Cu(NH3)2]^2+ and [Cu(NH3)3]^2+ respectively?
1 answer
asked by
Alan
336 views
How should I write the balanced chemical equation to represent the oxidation of Cu+ ion by air?
[Cu(NH3)3]^+1 + 2H2O + ??? -->
1 answer
asked by
Alan
405 views
What is the stoichiometric ratio for Cu2+ ions with cuprizone to form the copper-cuprizone complex?
1 answer
asked by
Alan
299 views
What is the stoichiometric ratio for Cu2+ ions with cuprizone to form the copper-cuprizone complex?
1 answer
asked by
Alan
297 views
How many kilograms of red iron oxide can be obtained from 1.00kg ferrous sulfate heptahydrate?
1 answer
asked by
Tammy
365 views
what is the chemical formula for Petrolatum and Petroleum Distillates?
3 answers
asked by
Ryan!
423 views
What is the structure of a tripeptide where glycine is first, serine is second, and alanine is third. Draw the structure in the
1 answer
asked by
Holly
420 views
What is the structure of a tripeptide where glycine is first, serine is second, and alanine is third.
1 answer
asked by
Holly
423 views
How many moles of bromine are obtained from 6.75 moles of oxygen?
1 answer
asked by
Melanie
409 views
Cu(NH3)2^+ is a colourless compound.
Will there be any absorbance at 600nm?
1 answer
asked by
Alan
293 views
The question is what is the molecular equation for acetic acid mixed with ammonia, sulfuric acid mixed with barium hydroxide,
5 answers
asked by
Bach
1,054 views
What range of values for electrostatic potential is characteristic of strong acids? What range is characteristic of weak acids?
1 answer
asked by
Joe
433 views
What is a reasonable discussion of the method for the preparation of a sample of lead iodide and hygrated copper sulphate?
4 answers
asked by
Gillian
330 views
I'm working on homework and the computer won't accept my answer.
Calculate the energy of photons with wavelenth 0.174 nm. I used
3 answers
asked by
Anonymous
382 views
Why can lead sulphate not be made in the same was as copper (11) sulphate
1 answer
asked by
Jose-ann
401 views
Using Heisenberg's Principle, calculate for the following positions.
a) a 1.54-mg mosquito moving at a speed of 1.82 m/s if the
1 answer
asked by
Anonymous
371 views
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