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Recent questions in Chemistry
What is shown by a half-reaction?A. oxidation or reduction of an elementB. neutralization of an ion or moleculeC. decomposition of an ion or moleculeD. none of the above
Zgpmax
asked
Jul 4, 2023
by
Zgpmax
4.6k
points
Chemistry
college
1
answer
5
votes
78.2k
views
How many atoms are in 1.50 moles of lithium, Li?
Casey L
asked
Jul 4, 2023
by
Casey L
3.8k
points
Chemistry
college
1
answer
1
vote
15.3k
views
Determine the number of protons and electrons in the following ions Mn6+
Jacob Smit
asked
Jul 4, 2023
by
Jacob Smit
3.9k
points
Chemistry
college
1
answer
3
votes
152k
views
Can nitrogen be a central atom in a linear polymeric molecule?
Tom Studee
asked
Jul 4, 2023
by
Tom Studee
4.3k
points
Chemistry
high-school
1
answer
0
votes
125k
views
How to answer number 3?What is the pressure of a 8.5 L cylinder filled with 23.5 g of nitrogen gas at a temperature of 298 K?
Marek Vitek
asked
Jul 4, 2023
by
Marek Vitek
4.2k
points
Chemistry
college
1
answer
0
votes
88.7k
views
100 grams of iron ore contains 30.06% oxygen find the empirical formula
Brandon McKenzie
asked
Jul 4, 2023
by
Brandon McKenzie
4.5k
points
Chemistry
high-school
1
answer
13
votes
146k
views
Write a hypothesis for the investigation above by pretending you don't know the outcome.
Gabriel Wu
asked
Jul 4, 2023
by
Gabriel Wu
3.0k
points
Chemistry
high-school
1
answer
1
vote
198k
views
Adelyn cut herself on broken glass in the classroom. She started bleeding and needed assistance from Which should the teacher do to treat Adelyn? put on her gloves and use the first aid kit to treat the
Avinashbot
asked
Jul 4, 2023
by
Avinashbot
4.1k
points
Chemistry
high-school
1
answer
7
votes
174k
views
Define first ionisation energy.
Kasiem
asked
Jul 4, 2023
by
Kasiem
4.4k
points
Chemistry
high-school
1
answer
3
votes
105k
views
What is the volume, in liters, of 0.23 moles of carbon monoxide at STP
Spirulence
asked
Jul 4, 2023
by
Spirulence
4.1k
points
Chemistry
high-school
1
answer
9
votes
94.8k
views
If 0.8 moles of zen are used,how many moles of HCL are required?
Jcm
asked
Jul 4, 2023
by
Jcm
3.7k
points
Chemistry
high-school
1
answer
1
vote
37.1k
views
10. Which of the following would speed up the rate of a the reaction A(s) + B(aq) → AB(aq) +heata.Add more of reactant Ab. Add more of product ABC. Crush reactant A into a powderd.Cool the reaction vessel
Srneczek
asked
Jul 4, 2023
by
Srneczek
3.7k
points
Chemistry
college
1
answer
0
votes
203k
views
A balloon filled with helium gas has a volume of 744 mL at a pressure of 1 atm. The balloon is released and reaches an altitude of 6.5 km,where the pressure is 0.5 atm.Assuming that the temperature has
Adem Catamak
asked
Jul 4, 2023
by
Adem Catamak
3.8k
points
Chemistry
college
1
answer
2
votes
226k
views
Select the correct empirical formula for each molecular formula given. Molecular formula: C6H12O6 Empirical formula: C6H12O6 C2H4O2 CH2O CHO
Jesobremonte
asked
Jul 4, 2023
by
Jesobremonte
4.2k
points
Chemistry
high-school
1
answer
6
votes
74.8k
views
Which of the following statements are true about metals? (Select all that apply)a0 They can be rolled in thin sheetsb) They have a shine called metallic lusterc) They are good conductors of electricityd)
Paul Stephen Withers
asked
Jul 4, 2023
by
Paul Stephen Withers
3.5k
points
Chemistry
college
1
answer
1
vote
52.6k
views
Does alcohol really burn off when cooking? what are the possible substitutions for alcohol in recipes?.
Manjit
asked
Jul 4, 2023
by
Manjit
4.1k
points
Chemistry
high-school
2
answers
2
votes
7.6k
views
When an impurity is added to pure water what happens to the boiling point of the mixture?
Iamgopal
asked
Jul 4, 2023
by
Iamgopal
3.5k
points
Chemistry
college
1
answer
6
votes
40.1k
views
In which of the following cases will entropy decrease? Hard boiling of egg Decomposition of a compound Evaporation of water. Dissolving salt in water Thank you to however solves this
Erick Mwazonga
asked
Jul 4, 2023
by
Erick Mwazonga
4.1k
points
Chemistry
high-school
1
answer
22
votes
65.5k
views
Does any one know how to do this
Sanderbee
asked
Jul 4, 2023
by
Sanderbee
4.0k
points
Chemistry
college
1
answer
16
votes
182k
views
What is conserved during a chemical reaction energy or matter?
Mohamed Abd El Raouf
asked
Jul 4, 2023
by
Mohamed Abd El Raouf
3.9k
points
Chemistry
high-school
1
answer
0
votes
18.0k
views
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