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Recent questions in Chemistry
2 SO2(g) + O2(g) + 2 H2O(ℓ) −→ 2 H2SO4(ℓ) What mass in grams of SO2 is needed to react with 1527 g of O2?
Kris Kowal
asked
Jul 4, 2023
by
Kris Kowal
4.0k
points
Chemistry
college
1
answer
25
votes
196k
views
Where do Grasshoppers have their ears?
Moyshe
asked
Jul 4, 2023
by
Moyshe
4.5k
points
Chemistry
high-school
1
answer
8
votes
123k
views
Two atoms with atomic numbers 12 and 17 would bond to form an ionic compound bond to form a covalent compound bond to form a metallic lattice not bond with each other
Sobo
asked
Jul 4, 2023
by
Sobo
4.1k
points
Chemistry
college
1
answer
1
vote
232k
views
T/F The aluminum ore is the product of direct chemical precipitation from seawater.
Nograde
asked
Jul 4, 2023
by
Nograde
4.2k
points
Chemistry
college
1
answer
5
votes
180k
views
Which of the following is an unsafe lab procedure?
GomuGomuNoRocket
asked
Jul 4, 2023
by
GomuGomuNoRocket
3.9k
points
Chemistry
high-school
2
answers
2
votes
59.0k
views
How many ug of nickel (Ni) are required to make 25.00 nanoliters of a 1.25 mol/L solution? Be sure to report your answer to the correct number of significant figures.
Jack Hales
asked
Jul 4, 2023
by
Jack Hales
4.3k
points
Chemistry
college
2
answers
3
votes
218k
views
At which location on the HR Diagram would you find the hottest star? Question 4 options: A B C D
Rimkashox
asked
Jul 4, 2023
by
Rimkashox
4.0k
points
Chemistry
middle-school
2
answers
16
votes
62.2k
views
The burr oak trees in the forest are which of these? a species an organism a community a population
Dan Ganiev
asked
Jul 4, 2023
by
Dan Ganiev
3.8k
points
Chemistry
high-school
2
answers
16
votes
31.9k
views
Convert 30.0g Cu(NO3)2 to moles please help
Dave Dave
asked
Jul 4, 2023
by
Dave Dave
4.7k
points
Chemistry
high-school
1
answer
21
votes
17.5k
views
Which of the following is in the same group as strontium? a Calcium b Chlorine c Xenon d Silver
Aytek
asked
Jul 4, 2023
by
Aytek
4.2k
points
Chemistry
high-school
2
answers
10
votes
190k
views
How many moles are in 15.0 g of krypton?
Liezel
asked
Jul 4, 2023
by
Liezel
4.3k
points
Chemistry
college
1
answer
0
votes
204k
views
A 15.5 L balloon contains helium gas at a pressure of 840 mmHg. What is the final pressure, in millimeters of mercury, if the final volume is 9.25 L?
Lem
asked
Jul 4, 2023
by
Lem
4.2k
points
Chemistry
college
1
answer
4
votes
12.1k
views
Samarium-146 has a half-life of 103. 5 million years. After 1. 035 billion years, how much samarium-146 will remain from a 205-g sample? 0. 200 g 0. 400 g 20. 5 g 103 g.
Ngille
asked
Jul 4, 2023
by
Ngille
4.0k
points
Chemistry
high-school
1
answer
15
votes
79.3k
views
Determine the mass in grams of each in each of the following 6.00 mol Al
AstroBen
asked
Jul 4, 2023
by
AstroBen
4.3k
points
Chemistry
college
1
answer
4
votes
181k
views
How to obtain clear water from the mixture of Sand and water
Rene Berlin
asked
Jul 4, 2023
by
Rene Berlin
4.7k
points
Chemistry
college
1
answer
0
votes
76.7k
views
In Kevin’s favorite comic book, the superhero has special powers. In one adventure, the superhero must stop an evil villain who threatens to destroy the city with a powerful energy blast. As he confronts
Jbaums
asked
Jul 4, 2023
by
Jbaums
4.6k
points
Chemistry
middle-school
1
answer
13
votes
22.5k
views
Which takes longer to orbit the Sun: Mars or Jupiter?
Huertanix
asked
Jul 4, 2023
by
Huertanix
4.7k
points
Chemistry
high-school
1
answer
14
votes
116k
views
What conditions does bacteria need to grow in yogurt?
Krinklesaurus
asked
Jul 4, 2023
by
Krinklesaurus
4.1k
points
Chemistry
college
1
answer
2
votes
60.1k
views
Can someone please help me with this in a short sentence? Thank you!
Mubeen
asked
Jul 4, 2023
by
Mubeen
3.5k
points
Chemistry
college
1
answer
3
votes
43.6k
views
Balance the equation by using the correct coefficient: silicon dioxide + hydrofluoric acid produces silicon tetrafluoride +water
Matt Wilko
asked
Jul 4, 2023
by
Matt Wilko
4.4k
points
Chemistry
college
1
answer
2
votes
18.2k
views
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