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Recent questions in Chemistry
34 °F a K no entiendo nada
Mykola Korol
asked
Dec 28, 2023
by
Mykola Korol
4.5k
points
Chemistry
high-school
1
answer
3
votes
57.7k
views
Show your Superpower! Write or draw ways how you can use your strength to help other people.
Matheus Martins
asked
Dec 28, 2023
by
Matheus Martins
4.1k
points
Chemistry
college
1
answer
4
votes
26.6k
views
Imagine holding a tennis ball in front of a heat lamp for five minutes. What do you predict will happen to the temperature along the “equator” of the ball compared with the top and bottom?
HerrLoesch
asked
Dec 28, 2023
by
HerrLoesch
3.7k
points
Chemistry
middle-school
2
answers
2
votes
91.2k
views
Manganese(III) nitride Express your answer as a chemical formula.
Khaled Barazi
asked
Dec 28, 2023
by
Khaled Barazi
4.3k
points
Chemistry
college
2
answers
4
votes
154k
views
CO₂ How to find the chemical or iupac name
Kevin Gilbert
asked
Dec 28, 2023
by
Kevin Gilbert
4.2k
points
Chemistry
high-school
1
answer
2
votes
55.4k
views
Determine the type of reaction: AgNO3 + Cu --> Cu(NO3)2 + Ag a. Double displacement b. single displacement c. Decomposition d. Synthesis
Nijeesh
asked
Dec 28, 2023
by
Nijeesh
4.1k
points
Chemistry
college
1
answer
1
vote
173k
views
Which of the following is NOT an acceptable unit for reporting gas pressure? Atmosphere (atm) kPa mmHg mL
Zenton
asked
Dec 28, 2023
by
Zenton
4.0k
points
Chemistry
college
1
answer
5
votes
48.8k
views
3. Make a claim as to why the leading cause of residential fires is not the leading cause of residential fire deaths.4. What percentage of fires are intentionally set? Why might someone intentionally set
Adam Bruss
asked
Dec 28, 2023
by
Adam Bruss
3.4k
points
Chemistry
college
1
answer
4
votes
177k
views
Caffeine has the molecular formula, C8H10N4O2. What is the percent composition of caffeine?1. 25% C, 25% H, 25% N, 25% N, and 25% O2. 27.92% C, 2.34% H, 32.56% N, and 37.19% O3. 49.48% C, 5.19% H, 28.85%
MarvelousNinja
asked
Dec 28, 2023
by
MarvelousNinja
4.3k
points
Chemistry
college
1
answer
5
votes
28.4k
views
The hydrogen ion concentration of a basic solution is 7.60 x 10^-9 M. What is the pH of the solution?
Arnaud Leyder
asked
Dec 28, 2023
by
Arnaud Leyder
3.8k
points
Chemistry
college
1
answer
2
votes
74.3k
views
A piston at -37.0°C contains a gas that occupies a volume of 2.5 L. To what temperature would the gas have to be heated to increase the volume to 6.3 L at constant pressure?
Biubiubiu
asked
Dec 28, 2023
by
Biubiubiu
4.4k
points
Chemistry
college
1
answer
4
votes
87.7k
views
How much heat in KJ must be transferred to the following reaction to produce 198 gSI from SiO₂ (silica) and C (carbon) according to the following reaction scheme? SiO₂(s) + 2C(s) → Si(s) + 2CO(g) H=690kj
Ivan Yarych
asked
Dec 28, 2023
by
Ivan Yarych
4.3k
points
Chemistry
college
1
answer
5
votes
109k
views
What does the three states of matter have to do with smell
Nasreddin
asked
Dec 28, 2023
by
Nasreddin
3.4k
points
Chemistry
high-school
2
answers
18
votes
224k
views
7. What are the correct coefficients in order for the equation to be balanced?
Umesh CHILAKA
asked
Dec 28, 2023
by
Umesh CHILAKA
4.9k
points
Chemistry
college
1
answer
6
votes
14.2k
views
What is the formula for finding the molar mass of water? A.mass of H + 2 + mass of O B.mass of H x 2 + mass of O C.mass of H + mass of O x 2 D.(mass of H + mass of O) x 2
Baao
asked
Dec 28, 2023
by
Baao
4.6k
points
Chemistry
college
1
answer
22
votes
91.7k
views
Its on Unit 4 Final Review and its about Emergent Properties
Katya Willard
asked
Dec 28, 2023
by
Katya Willard
4.5k
points
Chemistry
college
1
answer
0
votes
194k
views
9. Compound A, with molecular formula C5H₁2 has only 1° and 4° carbons. What is its structure? Its other isomer has only 1°, 2° and 3° carbons. What is its structure also? draw the structure
Srichand Yella
asked
Dec 28, 2023
by
Srichand Yella
4.5k
points
Chemistry
college
1
answer
10
votes
8.2k
views
An oxygen gas tank holds 1 mole of gas at 10.0 atm of pressure. In order to reduce the pressure of the tank to 2.5 atm, moles must be released. How many moles will be left
Noora
asked
Dec 28, 2023
by
Noora
4.2k
points
Chemistry
high-school
1
answer
3
votes
46.4k
views
8. Which conditions in the atmosphere would cause smoke from a campfire on a beach to blow toward the ocean?
Eun
asked
Dec 28, 2023
by
Eun
4.2k
points
Chemistry
college
1
answer
2
votes
212k
views
Is it acceptable to simply add the partial pressure of each species to determine the total pressure? why or why not?.
Imraan
asked
Dec 28, 2023
by
Imraan
4.1k
points
Chemistry
high-school
1
answer
21
votes
180k
views
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