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Chemistry
Page 84
Questions (96,681)
Does the aufbau principle apply to radioactive isotopes?
1 answer
asked by
Beth
316 views
Calculate the velocities of electrons with de Broglie wavelengths of 1.7 102 nm and 5.0 nm, respectively.
1 answer
asked by
Anna
356 views
In calcium, the electron configuration is 2-8-8-2. Why does the 3rd level have more energy than the 2nd if they're both 8?
1 answer
asked by
danny123
355 views
I always have trouble with making an hypothesis for a lab. I was wondering if someone can help me come up with a hypothesis for
1 answer
asked by
Jennifer
399 views
What is [OH-] of a solution containing 013 mol Ba(OH)2 and .021 mol KOH in .50L of H2O?
1 answer
asked by
donna
345 views
What is the maximum volume of 30 M NaCl that can be prepared from 60 g NaCl(s)?
1 answer
asked by
Astrid
291 views
If the amount of raidoactive iodine-123 in a sample decreases from 0.4 to 0.1 g in 26.2 hours, what is the half-life of
1 answer
asked by
Erin
362 views
How many pi bonds are in ritalin. I counted 4 pi bonds(double bonds), and 18 sigma bonds(single bonds> I want to make sure I
1 answer
asked by
Kristy
415 views
At the same cost per pound, which alcohol, CH3OH or C2H5OH, would be more economical to purchase as an antifreeze for your car?
1 answer
asked by
Sarah
393 views
How many pi bonds are in ritalin. I counted 4 pi bonds(double bonds), and 18 sigma bonds(single bonds> I want to make sure I
1 answer
asked by
Kristy
431 views
How many pi bonds are in ritalin. I counted 4 pi bonds(double bonds), and 18 sigma bonds(single bonds> I want to make sure I
1 answer
asked by
Kristy
397 views
What is a enantiomer?
1 answer
asked by
Alex
308 views
What reagent would allow you to distinguish between AgNO3 and MNSO4? (As if using an analysis scheme)
1 answer
asked by
Molly
383 views
What reagent would allow you to distinguish between BaS and NiSO4? (As if using an analysis scheme)
1 answer
asked by
Molly
351 views
Name these compounds
(^these are symbolize subscripts) 1. CoCl^3 2. CrF^6 3. AgBr 4. Fe^20^3 5. CrF^3 6. TiCl^4
1 answer
asked by
David
308 views
How would the electronegativity and first ionization energy
values of lithium compare with the same values of oxygen? Why?
1 answer
asked by
alicia
362 views
I'm having a hard time with a question predicting the reaction (if any) of 1,2-dichloroethane and sodium iodide, sodium iodate,
1 answer
asked by
Becky
339 views
You bubble ammonia in sulfuric acid solution. What is the result? (hint: remember, you start from NH3 (g))
1 answer
asked by
Anonymous
340 views
You mix HCl with Na2CO3; the result is not exactly a precipitation, but it is related. Explain.
1 answer
asked by
Anonymous
320 views
I'm having a hard time with a question predicting the reaction (if any) of 1,2-dichloroethane and sodium iodide, sodium iodate,
1 answer
asked by
Becky
328 views
What is the balanced molecular equation and their physical state of each substance of silver(I) nitrate and 6 M hydrochloric
1 answer
asked by
jay
302 views
Why would Magnesium (Mg) be unable to combine with Chlorine (Cl) to make a compound?
1 answer
asked by
Kinzie
353 views
How much heat is given off by melting 155 grams of water?
1 answer
asked by
Sarah
337 views
What volume of O2 at 912mmHg and 33 degrees C is required to synthesize 11.0 mol of NO?
1 answer
asked by
Kelsey
380 views
What is 17.4 psi converted to atm?
1 answer
asked by
Kelsey
332 views
What is 832 torr converted to atm?
1 answer
asked by
Kelsey
318 views
convert @5g of NaCl into moles
1 answer
asked by
cody
375 views
Explain, in terms of subatomic particles, the difference
between S-32 and S-34
1 answer
asked by
lisa
388 views
If 30.3 liters of O2 at 273K and 1 atm are produced by the electrolysis of water, how many coulombs of charge were required?
1 answer
asked by
Dana
316 views
If 30.3 liters of O2 at 273K and 1 atm are produced by the electrolysis of water, how many coulombs of charge were required?
1 answer
asked by
Dana
303 views
If 30.3 liters of O2 at 273K and 1 atm are produced by the electrolysis of water, how many coulombs of charge were required?
1 answer
asked by
Dana
315 views
If 1.70 liters of 0.670 M CuSO4 solution is electrolyzed by passing 4.70 amps through the solution for 3.00 hr using inert
1 answer
asked by
Dana
436 views
In an industrial process, the following reaction is carried out in the presence of a catalyst:
C16H65 + Cl2 �¨ C16H65Cl12
1 answer
asked by
stacy
405 views
John has 300 mL of 0.65 M NaCl solution. Mary has 500 mL of 0.35 M solution. What is the concentration of the solution if they
1 answer
asked by
Tracy
414 views
How to find the coefficient of Fe^2+ from ClO3^- + Fe^2+ --> Cl^- + Fe^3+
1 answer
asked by
Jane
322 views
how many moles of ozone does the atmosphere hold?
1 answer
asked by
Ben
297 views
For the voltaic cell Cr(s)/Cr3+(aq)//Ni+2 (aq)/Ni(s), list the reactions at the cathode, anode, and the overall net reaction.
1 answer
asked by
Tara
359 views
How many moles are there in 569 grams of copper
1 answer
asked by
Anonymous
316 views
How many moles are there in 52.3 grams of nickel
1 answer
asked by
Anonymous
297 views
How many moles are there in 965 grams of boron
1 answer
asked by
Anonymous
329 views
a certain brand of laundry aid called "Oxydoodle" is 12.5% (w/w) sodium percarbonate and 87.5% (w/w) sodium carbonate. Calculate
1 answer
asked by
Shannon
346 views
In an atom whose core contains 16 neutrons possess a total electrical charge
1. What is the atomic number of the atom? 2.What is
3 answers
asked by
Ciara
400 views
Calculate K at 25°C for the reactions given below.
(a) Zn(s) + 2Ag+(aq) Zn2+(aq) + 2Ag(s) (b) 2H2O2 2 H2O + O2 Given: H2O2 + 2
1 answer
asked by
Lauren
406 views
Calculate the percent of carbon, hydrogen, nitrogen, and oxygen in this widely used pesticide, Sevin. The molecular formula is
1 answer
asked by
Brittany
409 views
Using the balanced reaction, enter the formula, charge(if any), and state of the species (exclude H2O) in solution if neither
1 answer
asked by
Amrita
409 views
If a precipitation reaction occurs when a solution of one species is added to a solution of the other, enter the formulas and
1 answer
asked by
Amrita
405 views
How do I separate a mixture of liquids?
3 answers
asked by
Selena
376 views
Explain the important conditions when you crystallize a solid by crystallization.
1 answer
asked by
Laila
350 views
I know that vanillin has the functional groups aldehyde, ether, and phenol. My assigment says there is a fourth. Which one am I
1 answer
asked by
Lindsay
397 views
Which compound has the formula HC(=O)-O-CH2-CH3?
1 answer
asked by
Lindsay
346 views
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