menu
QAmmunity.org
Recent questions in Chemistry
Login
Register
My account
Edit my Profile
Private messages
My favorites
Register
Recent questions in Chemistry
Ask a Question
Questions
Unanswered
Tags
Categories
Ask a Question
Recent questions in Chemistry
3. A 1.000 g sample of an unknown hydrate of copper chloride is gently dehydrated. The copper is isolated and weighs 0.248 g. Develop a method for determining the empirical formula of the copper compound
Diogo Sgrillo
asked
Jul 5, 2023
by
Diogo Sgrillo
3.8k
points
Chemistry
high-school
1
answer
19
votes
5.5k
views
3- You saw a jar of hot water placed upside down over a jar of cold water. The hot water stayed on top of the cold water without mixing. Why did the hot water stay on top of the cold water?
Jonathan Barber
asked
Jul 5, 2023
by
Jonathan Barber
4.0k
points
Chemistry
high-school
1
answer
0
votes
202k
views
How many molecules are in 41.8 g of sulfuric acid
Nzomkxia
asked
Jul 5, 2023
by
Nzomkxia
4.3k
points
Chemistry
college
1
answer
1
vote
195k
views
4Na(s)=+O2(g)->2NA2)(s) How many grams of Na2O is produced when 57.5g an Na reacts
Ryan Durkin
asked
Jul 5, 2023
by
Ryan Durkin
4.4k
points
Chemistry
college
1
answer
22
votes
25.7k
views
Find the natural logarithm of7.56
Nicolae Maties
asked
Jul 5, 2023
by
Nicolae Maties
4.7k
points
Chemistry
college
1
answer
0
votes
74.8k
views
Compute the following and give your answer in scientific notation: (3.51 x 10-²) - 2.94 × 10-² = × 10^
Ayman Salah
asked
Jul 5, 2023
by
Ayman Salah
3.6k
points
Chemistry
high-school
1
answer
1
vote
172k
views
A sample of gas occupies a volume of 325 mL and has a temperature of 434.9 kelvin. What will the volume of the sample of gas be if the temperature is increased to 812 K? Be sure to include units with your
Yauraw Gadav
asked
Jul 5, 2023
by
Yauraw Gadav
4.3k
points
Chemistry
college
1
answer
3
votes
173k
views
40 POINTS!!!! PLEASE HELP
Parnell
asked
Jul 5, 2023
by
Parnell
4.7k
points
Chemistry
high-school
1
answer
2
votes
13.3k
views
Which of the following factors will only affect the reaction rate of a solid? OA. Concentration B. Temperature C. Surface area D. Catalyst
Eric Hu
asked
Jul 5, 2023
by
Eric Hu
4.3k
points
Chemistry
high-school
1
answer
13
votes
142k
views
Compared to most other substances, a great deal of heat is needed to raise the temperature of water by a given amount. which property of water makes it resist this change in temperature?
Jake Boone
asked
Jul 5, 2023
by
Jake Boone
3.8k
points
Chemistry
high-school
1
answer
2
votes
155k
views
Object A has a mass of 10 g and a volume of 8 cm3. Object B has a mass of 10 g and a volume of 6 cm3. Which object has a greater density and by how much? HELP
Pawan Maheshwari
asked
Jul 5, 2023
by
Pawan Maheshwari
4.3k
points
Chemistry
high-school
2
answers
9
votes
147k
views
What’s properties my change during a chemical reaction
Michael Besteck
asked
Jul 5, 2023
by
Michael Besteck
4.1k
points
Chemistry
college
1
answer
16
votes
115k
views
2. Write the IUPAC (modern) name for the following compounds a. SF6:b. Hg2Cl2:c. KHCO3:d. HCl(g):e. C2O3:f. Cu(NO3)2
Daniel Stefaniuk
asked
Jul 5, 2023
by
Daniel Stefaniuk
4.7k
points
Chemistry
high-school
1
answer
5
votes
208k
views
When energy is released during a chemical reaction(often in the form of heat,light or electricity) what kind of chemical reaction is this
MPavesi
asked
Jul 5, 2023
by
MPavesi
4.1k
points
Chemistry
high-school
1
answer
4
votes
42.6k
views
In the reaction of 2Mg + O2 →2MgO How many moles of O2 are required to react with 14 moles of Mg?
Halis
asked
Jul 5, 2023
by
Halis
4.0k
points
Chemistry
college
1
answer
4
votes
95.0k
views
A 29.1 g sample of solid CO2 (dry ice) is added to a container at a temperature of 100 K with a volume of 3.4 L. If the container is evacuated (all of the gas removed), sealed, and then allowed to warm
AwesomeGuy
asked
Jul 5, 2023
by
AwesomeGuy
4.6k
points
Chemistry
college
1
answer
5
votes
110k
views
Elieve My Eyes? SY22-23 / 4 of 14 In the following picture, how does the house make a shadow? RES A. The sunlight travels around the house and shines on the ground directly behind it. C. The house blocks
Andrii Kudriavtsev
asked
Jul 5, 2023
by
Andrii Kudriavtsev
4.2k
points
Chemistry
high-school
1
answer
4
votes
93.2k
views
Balancing chemical equations! need help!!! don’t mind how i wrote it.
LanFeusT
asked
Jul 5, 2023
by
LanFeusT
3.8k
points
Chemistry
high-school
1
answer
7
votes
79.7k
views
PLS HELP Fluid ounces are a metric unit for volume. True False
Vishwesh Shetty
asked
Jul 5, 2023
by
Vishwesh Shetty
3.9k
points
Chemistry
high-school
2
answers
23
votes
114k
views
A gas is heated from 263k to 298k. The volume is increased from 24. 0l to 35. 0l. If the original pressure was 1. 00 atm, what is the new pressure?.
Flochtililoch
asked
Jul 5, 2023
by
Flochtililoch
3.9k
points
Chemistry
high-school
1
answer
4
votes
101k
views
Page:
« prev
1
...
988
989
990
991
992
993
994
...
1000
...
next »
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.
4.3m
questions
5.6m
answers
Other Questions
What bird did Benjamin Franklin want as our national bird? which bird was actually chosen?
Before beginning voice lessons, Aubrey already knew how to sing 357 pieces, and she expects to learn 2 new pieces during each week of lessons. After 78 weeks of voice lessons, how many pieces will Aubrey
How does the value of the electrostatic force vary with the value (how many) of the charges?
Which sentence INCORRECTLY uses a commonly confused word? A) I must advise you to exercise more regularly. B) Mr. Cannon is the new principle of Sandburg High School. C) Even though it was raining, Helen
Gregor Mendel studied pea plants to determine the patterns of inheritance. What is not a reason Mendel used pea plants in his experiments? Check all that apply.
Search QAmmunity.org