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Recent questions in Chemistry
How much heat is absorbed when 40.00 g of C( s) reacts in the presence of excess SO 2( g) to produce CS 2( l) and CO( g) according to the following chemical equation? 5 C(s) + 2 SO2(g) → CS2(l) + 4 CO(g)ΔH°
Sty
asked
Dec 27, 2023
by
Sty
3.9k
points
Chemistry
high-school
1
answer
1
vote
146k
views
1000 in² = ? yd. Could sb help me out
Nick Babcock
asked
Dec 27, 2023
by
Nick Babcock
4.2k
points
Chemistry
college
1
answer
3
votes
157k
views
A sample of oxygen gas in a closed system has a volume of 0. 225 L at a pressure of 947 kPa. What will the pressure of the gas be when the volume is reduced to 0. 216 L if the temperature remains constant?
Arthur Qocharyan
asked
Dec 27, 2023
by
Arthur Qocharyan
3.6k
points
Chemistry
high-school
1
answer
19
votes
215k
views
4 NO(g) + 2 O2(g) = 2 N20468)
GiantDuck
asked
Dec 27, 2023
by
GiantDuck
4.2k
points
Chemistry
high-school
1
answer
21
votes
13.8k
views
A student makes a model of the periodic table with three locations to place atoms.
Grep
asked
Dec 27, 2023
by
Grep
4.5k
points
Chemistry
high-school
1
answer
1
vote
198k
views
The model of the atom changed as new evidence was discovered. The plum pudding model suggested that the atom was a ball of positive charge with electrons embedded in it. Evidence from the alpha particle
Brian Sanchez
asked
Dec 27, 2023
by
Brian Sanchez
3.9k
points
Chemistry
high-school
1
answer
4
votes
197k
views
12.In the equation below, how many molecules of Cl2 are required to react completely with 2 atoms of sodium?2 Na(s) + Cl2(g) ---> 2 NaCl(s)Select one:a. 1b. 2c. 3d. 4
Tram
asked
Dec 27, 2023
by
Tram
4.0k
points
Chemistry
college
1
answer
4
votes
213k
views
Piece of copper has a mass of 970 kg how many atoms does a sample contain
Jaymin
asked
Dec 27, 2023
by
Jaymin
4.4k
points
Chemistry
college
1
answer
2
votes
72.7k
views
(Science) (Quarter 4) Solve the puzzle game's to have 5 point's (BEGIN) ( •O•)!? | | | | | |______|________ |________|_____ | | | (FINISH) (real question) can you know why Sam is nosebleeding _ ~ (> ㅍu
LazyCubicleMonkey
asked
Dec 27, 2023
by
LazyCubicleMonkey
4.0k
points
Chemistry
high-school
1
answer
8
votes
165k
views
What is the molar mass of Ec2H101?Ec has a molar mass of 31.79 grams/mole.
Gsc
asked
Dec 27, 2023
by
Gsc
4.2k
points
Chemistry
college
1
answer
1
vote
152k
views
I rounded the answer but can you help me?
Dollarslice
asked
Dec 27, 2023
by
Dollarslice
4.4k
points
Chemistry
high-school
1
answer
12
votes
184k
views
In color addition, what colors of light added together in equals amounts make white light A. Red and magenta b. Blue and yellow C. Red and yellow D. Green and cyan
Keso
asked
Dec 27, 2023
by
Keso
4.3k
points
Chemistry
college
1
answer
25
votes
122k
views
What is the coefficient of V2O5?
Iravinandan
asked
Dec 27, 2023
by
Iravinandan
4.4k
points
Chemistry
high-school
1
answer
7
votes
53.8k
views
1. What is cooking popcorn in an air popper? A. Conduction B. Radiation C. Convection 2. What is a hot air balloon rising into the sky? A. Conduction B. Radiation C. Convection 3. What is Roasting a marshmallow
RvanHeest
asked
Dec 27, 2023
by
RvanHeest
4.3k
points
Chemistry
high-school
1
answer
4
votes
47.9k
views
What is the mole fraction of NaBr in an aqueous solution that contains 20.1% NaBr (weight/weight %)? Molar Mass NaBr: 102.89 g/mol H₂O: 18.016 g/mol Enter text here
Gintautas
asked
Dec 27, 2023
by
Gintautas
3.9k
points
Chemistry
college
2
answers
25
votes
163k
views
How far have humans really traveled in space? Question 1 options: To other stars. To Saturn. To Mars. To the moon.
Violeta Georgieva
asked
Dec 27, 2023
by
Violeta Georgieva
3.5k
points
Chemistry
college
1
answer
17
votes
159k
views
Of the following, which constitutes the greatest percent of domestic use of water in the united states?.
Ghanshyam Gohel
asked
Dec 27, 2023
by
Ghanshyam Gohel
4.6k
points
Chemistry
high-school
1
answer
11
votes
217k
views
What is a Chromosphere
Chaseph
asked
Dec 27, 2023
by
Chaseph
4.1k
points
Chemistry
high-school
1
answer
2
votes
185k
views
How many moles of Hydrogen gas (H2) will be needed to produce 5 moles of Ammonia (NH3) ?
Entela
asked
Dec 27, 2023
by
Entela
3.8k
points
Chemistry
high-school
1
answer
20
votes
217k
views
Mention the significance of dams and irrigation canals?
Georges Martin
asked
Dec 27, 2023
by
Georges Martin
4.1k
points
Chemistry
high-school
1
answer
15
votes
155k
views
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