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Chemistry
Page 78
Questions (96,468)
How many atoms of 0xygen are there in 8.43 g of KMnO4?
Could someone please explain this?
1 answer
asked by
Morgan
369 views
What is the formula of a substance that contains 0.0920 g of C and 0.0180 g of H?
1 answer
asked by
Ben
285 views
What is the formula of a substance that contains 0.0920 g of C and 0.0180 g of H?
This is what I did... Find how many moles of
1 answer
asked by
Morgan
335 views
Consider a 0.70 M solution of Al(NO3)3 in water. What is the nitrate ion concentration in this solution, in units of moles/L?
1 answer
asked by
Diana
394 views
1.)Convert: 2.6g to 6.73g F
2.)7.61 g of potassium(K) reacted with 14.6g of chlorine(Cl) to form the compound Kcl. What mass % of
1 answer
asked by
Jennifer
389 views
If you are making 180.0 mL of 3.00% (m/m) CuSO45 H2O, how many grams of the solute should you use?
I can't figure out what to do
1 answer
asked by
Megan
303 views
If you are making 430.0 g of 0.41 m Na2SO3, how many grams of the solute should you use?
I got 20 grams, but I don't think this
1 answer
asked by
Tiffany
409 views
Ti(CH3CH2OH+HCl+C2H6O
1 answer
asked by
Feven
373 views
Some physical properties of water are shown below.
freezing point 0.00°C boiling point 100.00°C Kf 1.86°C/m Kb 0.512°C/m A
1 answer
asked by
Tiffany
621 views
A single 4p orbital can hold how many electrons?
i got 6 is that correct or no? Would conducting electricity be considered a
3 answers
asked by
Jack
405 views
Does "gaseous reactions" mean that all the products and reactants in a chemical equation are all in gaseous state?
1 answer
asked by
Riley
322 views
349 kJ to joules
1 answer
asked by
Rebekah
261 views
What is the difference between Residual Standard Deviation and Relelative Standard Deviation?
1 answer
asked by
chloe
335 views
What is the difference between Residual Standard Deviation and Relative Standard Deviation?
1 answer
asked by
chloe
351 views
Does anyone know the formula of Dibromobis(triphenylphosphine oxide) manganese(II)?
1 answer
asked by
Anonymous
394 views
How can one tell if a reaction is of the first order, the second order or the third?
1 answer
asked by
Anonymous
277 views
I'm completely confused on how to solve this problem.
Convert 125 hp-hr/long ton to kW-s/kg.
1 answer
asked by
Angel
371 views
I'm completely confused on how to solve this problem.
Convert 125 hp-hr/long ton to kW-s/kg.
1 answer
asked by
Angel
327 views
5.00 g is equal to how many pounds?
1 answer
asked by
Taylor
300 views
Which metals are good conductors of electricity?
I only need like 3. This is what I have: -Copper, Gold, and Silver. Is that
1 answer
asked by
Anonymous
384 views
Sorry,please ignore my earlier post.
Light sensitive materials are sampled in a room with yellow lighting. How is it different
1 answer
asked by
annie
347 views
.4941g of an iron-containing compound yielded .1116g of Fe2O3 upon oxidation. What is the mass percent of iron in the compound?
1 answer
asked by
Missy
352 views
a car is traveling at a rate of 41.2 megameters/hr. what is the rate in cm/s?
1 answer
asked by
Lisa
318 views
Water is a small molecule consisting of 3 atoms joined together. (they give the structure of H20.
Alcohol is a large molecule
4 answers
asked by
Ana
418 views
So the water molecules fit in between the alcohol molecules? or do they attach to the structures?
3 answers
asked by
Ana
382 views
If you had an IR source in an otherwise dark room, would you be able to influence the nightlight to turn off? What about if you
1 answer
asked by
Morgan
362 views
Which intermolecular forces between the war and protein are affected by the addtion of strong acids and bases?
1 answer
asked by
Anonymous
391 views
How does a compound's properties compare to those of its component elements? Provide an example.
I don't get this q.
1 answer
asked by
Anonymous
400 views
What is the equation of iron reacting with iron(|||) ions to form iron(||) ions?
1 answer
asked by
Lew
333 views
Could someone please help me with these two questions. I am having trouble.
1. What is the molarity of a solution if 48.0 mL of a
4 answers
asked by
Sarie
598 views
Classify the following reaction using 2 different classifications.
3Sr(OH)2+2Fe(NO3)3=3Sr(NO3)2+2Fe(OH)3
1 answer
asked by
Lena
414 views
Why is it better to use titration rather than just diluting something in some circumstances?
1 answer
asked by
Heather
257 views
If a person has a mass of 62 kg, how many pounds of water does she have in her body? And it gives the typical adult body
4 answers
asked by
TT
390 views
Can anyone answer this question please.
(Determine the concentration of an aqueous NaCl solution if 31.5 mL are required to reach
4 answers
asked by
John
397 views
a mole of ethanol weighs only 46g; how many molecules does it contain?
1 answer
asked by
Em
415 views
Can some explain how I can determine if a substance has ion-dipole, dipole-dipole, ion-ion or london dispersion forces? I'm
3 answers
asked by
Anonymous
423 views
Why does beta radaiation take place?
If there is a website that can help me please post it. Thanks
1 answer
asked by
Jennifer
369 views
A solution containing 42 of per 100.0 of water is cooled from 60 to 0 . What will happen during cooling?
1 answer
asked by
Johannie
391 views
The Specific Gravity of kerosene is 0.786. What is the volume occupied by 7.75kg of kerosene?
Is it 7.75/0.786?
1 answer
asked by
Natalie
445 views
Why would it be better to titrate a solution rather than just dilute it?
1 answer
asked by
Jane
279 views
What is the minimum mass of anhydrous CuSO4 needed to remove 12.4g H2O from a tankful of gasoline?
1 answer
asked by
Kaylee
410 views
Why do you believe electrons exist?
1 answer
asked by
angela
280 views
Find the limiting reagent.
2 NH4 (g) + 4 CuO (s) ==> N2(g) + 4 Cu(s) + 4H2O (g) Please explain, thank you!
1 answer
asked by
Jack
368 views
What weight of copper(II) oxide, CuO, would theoretically be produced from 1.623 grams of copper? (mol. masses Cu = 63.55; O =
3 answers
asked by
Marie
402 views
Why does beta radiation take place?
1 answer
asked by
Jennifer
314 views
which has a shorter bond between nitrogens?
N20 or N3-
1 answer
asked by
Morgan
285 views
What happens to the beta particle when stopped
1 answer
asked by
Jennifer
252 views
How do I find the radium of the sulfide ion in BeS?
The radius of Be is 59 pm. I am also given the force between them.
1 answer
asked by
jake
295 views
How do you measure radiation?
1 answer
asked by
Jennifer
303 views
SO3 is a ___ molecule that contains ___ bonds.
1 answer
asked by
Betty
301 views
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