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Chemistry 1
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Calculate q when 22.0 g of water is heated from 25.0°C to 100.0°C.
4 answers
asked by
Someone
9,154 views
Which of the following solutions will have highest freezing point?
A. 0.1M KCl B. 0.05M NaCl C. 1M AlPO4 D. 0.1MMgSO4 ? i need it
6 answers
asked by
Handsomehulk
3,671 views
You carefully weigh out 17.00g of CaCo3 powder and add it to 68.85g of HCl solution. You notice bubbles as a reaction takes
5 answers
asked by
Christy
2,729 views
What is the chemical equation, name, and formula for the follwing?
"When strongly heated, magnesium sulfide formed a yellow
3 answers
asked by
Christy
1,162 views
Does anyone know what websites are good to use for Chemical Reactions and balancing equation. I have a test tomorrow, and i need
3 answers
asked by
Stephanie
617 views
How do i balance this equation out?
Na2S2O2 + I2 ---> NaI+ Na2S4O6 thank you soo much! =D
2 answers
asked by
silvanna
805 views
Im not really sure how i can write the possible mole ratios of these equations.
2Hgo-->2Hg+o2 and 4NH3+6NO-->5N2+6H20 Help me
3 answers
asked by
silvanna
1,685 views
Sodium carbonate reacts with a solution of HCl solution with the evolution of gas (CO2) to yield a solution that is neutral. If
2 answers
asked by
Kay
657 views
I have trouble understanding ratios and relativity so I can't understand how to use atomic mass units. Here is an example from
2 answers
asked by
Leah
628 views
What is the minimum amount of a 6.0 M solution of sulfuric acid necessary to produce 25 grams of hydrogen gas if the molar ratio
1 answer
asked by
Jordan
456 views
What mass of potassium oxide is produced by the oxidation of 5 grams of potassium?
2 answers
asked by
Cassandra
490 views
How many grams of a stock solution that is 92.5 percent H2SO4 by mass would be needed to make 250 grams of a 35.0 percent by
2 answers
asked by
Brittany
1,252 views
What answer should be reported, with the correct number of significant figures, for the following calculation:
(965.43 x 3.91) +
3 answers
asked by
James
1,475 views
What answer should be reported, with the correct number of significant figures, for the following calculation:
(965.43 x 3.91) +
2 answers
asked by
James
1,200 views
How many calories are absorbed when 150g of ice at O is changed to liquid water at 45C?
2 answers
asked by
Diane
519 views
We are working on molarity of a solution in my class, and I am a little stumped on how to set the problems up. Here is one
2 answers
asked by
Emily
850 views
if 0.500mol of argon gas occupies 2.10L at 735mmHg, what is the temperature if degrees Celsius
1 answer
asked by
Me
324 views
Imagine that a hypothetical life form is discovered on our moon and transported to Earth. On a hot day, this life form begins to
2 answers
asked by
Molly
927 views
A dilute solution of hydrochloric acid with a mass of 614.86 g and containing 0.33004 mol of HCl was exactly neutralized in a
2 answers
asked by
Sarah
775 views
In the spectrum of a specific element, there is a line with a wavelength of 486 nm. Use the Rydberg equation to calculate the
4 answers
asked by
Sarah
1,171 views
i need help as quickly as possible because i am taking a summative practice test and this question i don't understand how to
1 answer
asked by
Elizabeth
415 views
What theoretical mass of MgO is produced if 0.150 g Mg3N2 is produced by strongly heating a 2.000 g sample of Mg in air?
1 answer
asked by
Jay
380 views
Which shows equilibrium between solute and solvent? I'm stumped.
a. 2 M CaCl2 b. 1 g Na2CO3 & 100 mL H2O c. 2 mL methanol & 4 mL
2 answers
asked by
Anonymous
522 views