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Recent questions in Chemistry
Determine the release of energy that corresponds to a change in mass of 2.2 × 10³ kg.
Krishna Rathore
asked
Dec 28, 2023
by
Krishna Rathore
3.9k
points
Chemistry
college
1
answer
1
vote
109k
views
Convert 1.67 x 1024 atoms of carbon to moles of carbon. 1.67 x 1024 atoms =
Istiaque Ahmed
asked
Dec 28, 2023
by
Istiaque Ahmed
4.3k
points
Chemistry
college
1
answer
5
votes
30.1k
views
two solutions p and q are mixed to form a solution with ph 7.what could be the ph values of solutions p and q
Bevan
asked
Dec 28, 2023
by
Bevan
3.3k
points
Chemistry
college
1
answer
1
vote
68.0k
views
How much heat is required to convert 90. g of ice at -4.0 C to water vapor (steam) at 110 C
Dylan Pierce
asked
Dec 28, 2023
by
Dylan Pierce
4.2k
points
Chemistry
college
1
answer
8
votes
88.2k
views
What type of bond is present in a copper wire
Alexander Pivovarov
asked
Dec 28, 2023
by
Alexander Pivovarov
4.0k
points
Chemistry
high-school
1
answer
3
votes
230k
views
Help me with this work plz plz
Amir Hossein Mirzaei
asked
Dec 28, 2023
by
Amir Hossein Mirzaei
3.7k
points
Chemistry
high-school
1
answer
22
votes
157k
views
(9) An element which is used to observe the physical property brittlness 1.Magnesium. 2.Copper 3.Aluminum. 4.Sulphur
Tural Gurbanov
asked
Dec 28, 2023
by
Tural Gurbanov
4.3k
points
Chemistry
college
1
answer
18
votes
181k
views
How does a car safely transfer the kinetic energy of the passenger and the car?
Amitklein
asked
Dec 28, 2023
by
Amitklein
4.5k
points
Chemistry
high-school
1
answer
6
votes
210k
views
A balloon contains 2.0 L of air at 101.5 kPa. you squeeze the balloon to a volume of 0.5 L. what is the pressure of air inside the balloon?" A. 13 kPa B. 101 kPa C. 406 kPa D. 812 kPa
Tivd
asked
Dec 28, 2023
by
Tivd
4.3k
points
Chemistry
high-school
1
answer
3
votes
107k
views
Why is nitrate important in the ocean? How is it used biologically in the ocean?
Cmill
asked
Dec 28, 2023
by
Cmill
3.7k
points
Chemistry
college
1
answer
25
votes
139k
views
In a particular reaction, styrene is produced by removing hydrogen from ethylbenzene. Which type of reactionA. Reduction.B. HydrationC. DehydrationOD. Dehydrogenation
Dmitry Gordon
asked
Dec 28, 2023
by
Dmitry Gordon
4.9k
points
Chemistry
college
1
answer
0
votes
110k
views
An atom of Bismuth (Bi) having an atomic mass of 209 amu has an atomic numbr of 83. How many neutrons are present in this atom of Bismuth? (show the calculations)
Talg
asked
Dec 28, 2023
by
Talg
4.0k
points
Chemistry
high-school
2
answers
1
vote
155k
views
How many moles of diphosphorus pentoxide can be made from 1.23 moles of oxygen? P4+ 02 + P205
Bluewonder
asked
Dec 28, 2023
by
Bluewonder
3.6k
points
Chemistry
high-school
1
answer
1
vote
1.3k
views
What is the oxidation number of N in NH4HCO3?
Brad Barker
asked
Dec 28, 2023
by
Brad Barker
3.5k
points
Chemistry
college
2
answers
3
votes
120k
views
Which of these has an oxidation number of zero (0)? Cal2, Ca CaS, Ca3N2
Venkat Ramana
asked
Dec 28, 2023
by
Venkat Ramana
4.3k
points
Chemistry
high-school
1
answer
6
votes
162k
views
This is what I need answered
Orna
asked
Dec 28, 2023
by
Orna
4.8k
points
Chemistry
high-school
2
answers
4
votes
179k
views
If you measure the value of Hydronium concentration is 3.0x10^-3 M/L, could you predict the solution to be acid, base, or neutral? Explain your answer. URGENT PLS ANSWER!!!
Zilicon
asked
Dec 28, 2023
by
Zilicon
4.2k
points
Chemistry
high-school
2
answers
10
votes
129k
views
During Taylor's second test of a car with a mass of 200 grams, she recorded 11 seconds, 11.4 seconds, and 11.2 seconds for her 3 trials. What would be the mean value she would use to compare with the other
Juno
asked
Dec 28, 2023
by
Juno
3.9k
points
Chemistry
high-school
1
answer
15
votes
39.7k
views
Give the names for the following compounds: a. Ag2O b. Ca(OH)2 c. KClO3 d. NH4Cl e. Fe2(CrO4)3 f. KClO
Jose Jet
asked
Dec 28, 2023
by
Jose Jet
3.6k
points
Chemistry
high-school
2
answers
24
votes
49.3k
views
which of the nonsilicate groups contains minerals that are commonly yellow in color, have a metallic luster, and contain important metal ores?
Florim
asked
Dec 28, 2023
by
Florim
4.4k
points
Chemistry
high-school
1
answer
3
votes
755
views
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