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Questions (19)
Is 3NaHCO3+C6H8O7=C6H5Na3O7+3CO2+3H20
A combustion reaction?(alka seltzer tablet reacts with water).
1 answer
693 views
The normal freezing point of cyclohexane is 6.55 C. When 0.458 g of benzophenone is dissolved in 15.0 g of cyclohexane, the
1 answer
2,075 views
Consider the reaction:
CO(g) + H2O (g) <---> CO2(g)+H2(g) which of the following initial composition will NOT achieve equlibrium?
2 answers
918 views
for a question it is given that there is 14.6 g of calcium chloride in 246 g of water. Kf is 1.86 C/m
we need to find the
1 answer
712 views
Can Henry's Law be used for gases that obey the Ideal Gas Law? What about gases that do not obey the ideal gas law?
when can you
1 answer
477 views
an unknown element crystallizes in a face-centered cubic unit cell. with an edge length of 392.4 pm. The solid has a density of
2 answers
1,184 views
Diethyl ether is a volatile organic compound. the vapor pressure of diethyl ether is 401 mm Hg at 18 degrees celsius and the
1 answer
1,425 views
which of the following liquids have the highest freezing point?
a- aqueous Fe(NO3)3 (0.030) b- aqueous glucose (0.050 m) c-
2 answers
2,447 views
In zero-gravity astronaut training and equipment testing, NASA flies a KC135A aircraft along a parabolic flight path. The
0 answers
1,136 views
Why is this following situation impossible? A normally proportioned adult walks briskly along a straight line in the +x
0 answers
650 views
The 20-g centrifuge at NASA's Ames Research Center in Mountain View, California, is a horizontal, cylindrical tube 58 ft long
3 answers
3,729 views
A crystalline solid consists of atoms stacked up in a repeating lattice structure. The atoms of a crystal reside at the corners
3 answers
1,414 views
A total of 10000kg of water per second flows over a waterfall 30m high.If half of the power this flow represents could be
1 answer
554 views
A crane whose motoer has a power input of 5.0kW lifts a 1200-kg load of bricks through a height 30m in 90s. Find the efficency
1 answer
1,209 views
The most complicated journey I've ever had took place a year ago when I was going home with my friend. We even didn't leave
6 answers
725 views
Write a description of a trip or complicated journey which you or someone in your family recently made.
6 answers
567 views
1000cl = how many L
1 answer
326 views
1000cl = -------- L
1 answer
383 views
19. A block of aluminum has a volume of 126.5 cm3. Its density = 2.70 g/cm3. What is the mass
of the aluminum? A) 342 g B) 46.9 g
3 answers
538 views
Answers (10)
75%
yes that makes sense, thank you!!
so water would have the highest freezing point? it wouldn't be aqueous NaI at 0.010 m ? i thought that lower concentration means higher freezing point, or is that only if they are all the same compound ?
please explain steps/thinking thank you!
jishka won't let me post the website, but when you google the question its the second result.
Sorry, but I'm from Poland and my English isn't very well. I think it's good enough for me. (I'm 15 years old) Thanks for your opinion.
Thank you so much!
The most complicated journey I've ever had took place a year ago when I was going home with my friend. We even didn't leave Warsaw when the coach broke down. The driver tried to fix it by himself but he didn't manage. It took 30 minutes. We returned to the
:( Ok, I will try to write something... but I'm from Poland and I my English isn't very well. Thank you
You can invent some story...Please
