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Rebekah
Questions (285)
Determine the volume of 0.240 M KOH solution required to neutralize each of the following samples of sulfuric acid. The
2 answers
932 views
...A dioxin-contaminated water source contains 0.044% dioxin by mass. How much dioxin is present in 6.5 L of this water? (Assume
5 answers
634 views
Picking any two compounds, how do you describe which one has a higher dispersion force using the words Larger electron cloud and
2 answers
430 views
Indicate the type of crystal (molecular, metallic, covalent-network, or ionic) each of the following would form upon
1 answer
1,500 views
i only have one submission for these and i dont' really know how to tell which one has the higher boiling point. can you help?
Of
2 answers
570 views
Of each pair of solids, which one has the higher melting point?
a) HCl and KCl b) Cu and Kr. Can you please explain? How do you
1 answer
2,625 views
Of HOOH(s) and TiO2(s) which one has the higher melting point?
2 answers
2,188 views
Which of the following compounds would be expected to form intermolecular hydrogen bonds in the liquid state? (Select all that
1 answer
8,500 views
What intermolecular force(s) must be overcome to do the following.
(a) sublime ice hydrogen bonding dipole-dipole interactions
1 answer
796 views
What type(s) of intermolecular force is (are) common to each of the following. (Select all that apply.)
1) Xe and methanol
1 answer
5,511 views
Name the phase transition in each of the following situations and indicate whether it is exothermic or endothermic.
(a) Frost
1 answer
851 views
my original question was:
how do i figure this out?? How much heat does your body lose when 2.46 g of sweat evaporates from your
0 answers
629 views
how do i figure this out??
How much heat does your body lose when 2.46 g of sweat evaporates from your skin at 25°C?
3 answers
631 views
So for my health class I have to make a 4 slide powerpoint and on one of the slides I have to have the Name of the Mental
1 answer
575 views
is SiS2 polar or nonpolar?
Why? I think its non but when I searched it people were saying polar thanks:)
1 answer
2,372 views
ok so for my school we have this thing called OCMC (One Community Many Cultures) and I have to make a poster and then for extra
3 answers
751 views
A student mixes 100.0 mL of 0.300 mol/L silver nitrate solution with 100.0 mL of 0.300 mol/L calcium chloride solution.
a)
1 answer
564 views
A student mixes 100.0 mL of 0.300 mol/L silver nitrate solution with 100.0 mL of 0.300 mol/L calcium chloride solution.
a)
3 answers
1,130 views
Find the next three numbers in this sequence and explain the reasoning;
2/3, 2/5, 6/25, 18/125,...
3 answers
289 views
Can someone please explain to me the difference between the futur and the futur causitive(sp?)
2 answers
579 views
(b) If the natural abundance of Ag-107 is 51.84%, what is the natural abundance of Ag-109?
% (c) If the mass of Ag-107 is
3 answers
1,090 views
(b) If the natural abundance of Ag-107 is 51.84%, what is the natural abundance of Ag-109?
Thanks
2 answers
711 views
One could easily determine a single bb's mass by simply weighing it or by weighing 100 BBs and dividing the mass by 100. Why
1 answer
627 views
When ice melts, it absorbs 0.33 kJ per gram. How much ice is required to cool a 12.0 fluid ounce drink from 75°F to 35°F, if
8 answers
3,639 views
Calculate the amount of heat required to raise the temperature of a 25 g sample of water from 5°C to 10.°C.
i got 523 then
9 answers
1,011 views
capacity of the drink is 4.18 J/g·°C? (Assume that the heat transfer is 100% efficient.)
7 answers
448 views
If 1.68 L of water is initially at 25.0 °C, what will its temperature be after absorption of 6.8 10-2 kWh of heat?
I don't know
3 answers
711 views
Calculate the amount of heat required to raise the temperature of a 16 g sample of water from 5°C to 12°C.
Round to the correct
4 answers
562 views
1) What happens when john turns to elizabeth for advice in act 4.
Also... I cant find the physical appearance for Francis Nurse.
1 answer
692 views
.Question part Points Submissions 1
0/0.5 2/3 Total 0/0.5 ...In the explosion of a hydrogen-filled balloon, 0.75 g of hydrogen
1 answer
685 views
349 kJ to joules
1 answer
333 views
241 kJ to Calories
how do i do this?
3 answers
617 views
In the explosion of a hydrogen-filled balloon, 0.75 g of hydrogen reacted with 6.9 g of oxygen to form how many grams of water
1 answer
682 views
convert
3.1 L to quarts
3 answers
445 views
Fill in the blanks.
(a) 5.6 ft2 = ____ in2 (b) 5.6 yd2 = _____ ft2 (c) 5.6 m2 = ____ yd2 can you please explain how to do it
4 answers
507 views
1.20 Mm to kilometers
its 1200 but when I put it in it said not the correct number of sig figs
3 answers
441 views
how do you round
0.009934 to two sig figs? would it be .010? or would that be 3 sig figs?
1 answer
428 views
Each of the following numbers was supposed to be rounded to two significant figures. For each one below, decide whether it was
6 answers
741 views
so i am terrible at this.
Round each number to 3 significant numbers. Can you explain? 1. 9845.42800 2. 1.548937675e12 3.
1 answer
373 views
what does this mean?
"Quelle est ta matiere scolaire preferee? thanks:)
3 answers
452 views
How do you say "I prefere track" interms of the sport and not the actual track. I know how to say I prefer and I know that track
2 answers
431 views
Do you think modernization was a positive or negative movement in the Ottoman Empire? Why?
2 answers
539 views
How have guppies adapted over time to their freshwater environment?
thanks:)
0 answers
474 views
What kinds of cells make it difficult to tear fern leaves from a plant?
thanks:)
2 answers
1,267 views
I know that miller syndrome is autosomal recessive so would i use a karyotype or pedegree to represent that because I have to:
In
1 answer
445 views
What are some treat ments for Miller Syndrome?
If you found a website that would be great. I already know of NINDS and FACES
2 answers
482 views
What are the treatments for Miller Syndrome. A website would be nice:)
Thanks!
3 answers
454 views
What are 3 ways that guppy fish interect (symbiosis,mutualism etc.)
please provide a website:) thanks:)
0 answers
423 views
Do guppies live in a herd, grove, alone, pairs, or colonies? Of what size?
I have been trying to find this answer but its so
2 answers
414 views
Hi I need to find 4 articles about stem cell research. 2 need to be ones that just support it and 2 the just oppose it. Does
4 answers
701 views
What did Margaret Cavendish believe/ talk about in her book Philosophical Fancies?
thanks:)
0 answers
403 views
Do prokaryote cells and eukaryote calls both go through the M phase or does just eukaryote cells? Then what does prokaryote
0 answers
539 views
Why did the Spanish empire decline in the 1600's?
thanks:)
1 answer
426 views
how do you draw tryptophan
and i need to know what goes around the pentagon part etc. thanks
1 answer
445 views
What are interactions between living things in the tropical rainforest?
thanks
3 answers
1,040 views
How does the movie The Lion in Winter relate to World History?
thanks
7 answers
710 views
What chemicals are in curds?
thanks
1 answer
326 views
how do you draw a the amino acid Phenylalanine?
thanks:)
4 answers
483 views
A grocer mixes together some cashews costing 8$ per kilogram with some nuts costing 10$ per kilogram. The grocer sold 12 kg of
1 answer
2,496 views
What were the effects of The Trojan War in its time and today? Does anyone know any websties with this info?
Thanks so much!:)
2 answers
527 views
Is the story of how the Trojan war started with Helen, and Paris in the Iliad?
Thanks:)
2 answers
569 views
What does a private option in health care mean?
thanks
1 answer
474 views
What is the definition of lowing in the context of the book "Animal Farm?"
thanks:)
2 answers
607 views
In a free verse poem do you need punctuation?
3 answers
1,320 views
Write a systematic method to answer, 'How quickly and how do you produce rocket fuel?' using a boling tube, acid, a balloon, and
0 answers
463 views
What is the temperature and moisture of a tropical rainforest?
thanks
2 answers
455 views
What is the temperature and moisture of the tropical rainforest?
thanks
2 answers
496 views
How would I use Distributive property to rewrite each expression then solve
35 x 21
1 answer
815 views
1.548937075 x 10 to the 12th. round the number to 3 significat figures.
I thought I would respost this because the other one was
5 answers
480 views
How would you figure out 1.45386759 x 10 to the 12 and round to the significant figure?
thanks
4 answers
468 views
Can someone explain how to do this:
There are 100 boys , 80 girls, and 20 teachers. Out of these, how many ways can 2 girls, 2
1 answer
629 views
What are some things children must learn but animals don't need to know?
1 answer
861 views
For AP Literature, I have to write a 2 page (double spaced) paper analyzing how the painting Descending a Staircase by Marcel
2 answers
618 views
Hello! It's me again.
How do I calculate % ionization for a.) .50M HONH2 Kb = 1.1e-8 b.) .10M CH3NH2 kB = 4.38e-4 What is [OH-]
3 answers
798 views
At 40 degrees Celsius, the value of Kw is 2.92 X 10^-14
a.) calculate the [H+] and [OH-] in pure water at 40 degrees celsius
5 answers
13,704 views
the following reaction has a Kp = 109 at 25 degrees C
2NO(g) + Br2(g) reversible 2NOBr(g) If the equilibrium partial pressure of
0 answers
815 views
all reversible reactions
Kp= 3.5 X 10^4 temp: 1495K N2(g)+3H2(g) reversible 2NH3(g) 1/2N2(g) + 3/2H2(g) reversible NH3(g) what is
6 answers
757 views
what is the specific heat for Al2O3 as a solid?
3 answers
494 views
how do you convert joules to kilojoules?
example: 2240.48 joules 3887.4 joules 13.85 joules
3 answers
633 views
a 5.00g sample of Al pellets (specific heat=0.89J/oC*g) and a 10.00g sample of Fe pellets (specific heat=0.45J/oC*g) are heated
3 answers
924 views
what are the van der waals coefficients (a and b) for nitrogen?
0 answers
432 views
I need to calculate the pressure exerted by the hydrogen in an eudiometer for a weighing by redox lab.
mass of Mg: .021 g temp:
1 answer
625 views
I need to calculate the pressure exerted by the hydrogen in an eudiometer for a weighing by redox lab.
mass of Mg: .021 g temp:
1 answer
1,146 views
Another question. How do I find out how many molecules of water of hydration are in each formula unit of a compound? I want to
2 answers
615 views
I have almost the same question as Josh from August 23rd.
If you use 10.0 g of CuSO4 and excess NH3, what is the theoretical
3 answers
1,554 views
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