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Recent questions in Chemistry
How many valence electrons are in oxygen peroxide ion o-22
Aaron McAdam
asked
Oct 2, 2024
by
Aaron McAdam
8.2k
points
Chemistry
high-school
1
answer
5
votes
24.3k
views
In a chemical reaction, chemical BONDS are formed or broken?
Emil Kaminski
asked
Oct 2, 2024
by
Emil Kaminski
8.5k
points
Chemistry
high-school
1
answer
0
votes
37.6k
views
What type of bond would form silicon and bromine
Jayson Reis
asked
Oct 2, 2024
by
Jayson Reis
8.4k
points
Chemistry
high-school
1
answer
0
votes
135k
views
Lead ions can be precipitated from solution with nacl according to the following reaction. pb2 (aq) + 2nacl(aq) → pbcl2(s) + 2na (aq). When 135.8 g of nacl are added to a solution containing 195.7 g of
Nogusta
asked
Oct 2, 2024
by
Nogusta
7.7k
points
Chemistry
high-school
1
answer
4
votes
125k
views
A sample of krypton has the same number of moles as a sample of neon. Which sample has the greater mass? [ Select ] A sample of carbon has the same mass as a sample of silicon. Which sample contains more
Grant Langseth
asked
Oct 2, 2024
by
Grant Langseth
9.4k
points
Chemistry
college
1
answer
3
votes
149k
views
Can external cause codes from V, W, X, and Y be reported in M1021 (principal diagnosis)?
Engineiro
asked
Oct 2, 2024
by
Engineiro
7.2k
points
Chemistry
high-school
1
answer
0
votes
110k
views
100 POINTS - What mass of KCl can be produced if 30.0 grams of Cl2 reacts with excess KBr? 2KBr + Cl2 → 2KCl + Br2 Show work. PLEASE HELP. Stoichiometry. Show conversion set up.
Judyta
asked
Oct 2, 2024
by
Judyta
8.8k
points
Chemistry
high-school
1
answer
2
votes
122k
views
For which two reasons does an element with an atomic number of 20 have a higher atomic weight than an element with an atomic number of 10?
Ronenfe
asked
Oct 2, 2024
by
Ronenfe
8.7k
points
Chemistry
high-school
1
answer
0
votes
222k
views
State the functions of the following, as used in Email: (i) BCC (Blind Carbon Copy) (ii) CC (Carbon Copy) (iii) SIGN OUT
Rudy Hinojosa
asked
Oct 2, 2024
by
Rudy Hinojosa
7.9k
points
Chemistry
high-school
1
answer
1
vote
3.6k
views
Explain carbon movement into the air during cellular respiration.
Tomer Peled
asked
Oct 2, 2024
by
Tomer Peled
8.5k
points
Chemistry
high-school
1
answer
3
votes
143k
views
What is the biggest advantage of using software to analyze handwriting samples? A.software is faster at analyzing large amounts of texts and detecting patterns. B. softwares saves money in the budget C.
The Wizard
asked
Oct 2, 2024
by
The Wizard
8.3k
points
Chemistry
high-school
1
answer
1
vote
70.5k
views
Pls help with chemistry asap
Osama Rashid
asked
Oct 2, 2024
by
Osama Rashid
7.8k
points
Chemistry
high-school
1
answer
3
votes
10.6k
views
In order to draw a Lewis structure it is NOT necessary to know: A) Bond energy B) The type of atoms in the molecule C) The number of valence electrons D) The number of atoms in the molecule
Aric
asked
Oct 2, 2024
by
Aric
7.2k
points
Chemistry
high-school
1
answer
4
votes
57.0k
views
Before recharging any flammable hydrocarbon or HFO refrigerant, always ________. a) evacuate the system b) leak test the system c) add more refrigerant d) purge the recovery equipment
Uprooted
asked
Oct 2, 2024
by
Uprooted
8.2k
points
Chemistry
high-school
1
answer
1
vote
32.2k
views
Certain metal crystallizes in cubic order with centers in the body and with unit cell edge length of 3,147 Å. Determine its density.
Sinan Eldem
asked
Oct 2, 2024
by
Sinan Eldem
8.6k
points
Chemistry
high-school
1
answer
5
votes
128k
views
Warp in solid stock is removed by a:
Justin Iurman
asked
Oct 2, 2024
by
Justin Iurman
7.6k
points
Chemistry
high-school
1
answer
5
votes
115k
views
Ordered: pfizerpen 600,000 units IM q12h. Available: pfizerpen 5 million units. directions: add 18.2 mL diluent to yield 500,000 units/mL. Add 3.2 mL diluent to yield 1,000,000 units/mL. If you add 8.
Matadur
asked
Oct 2, 2024
by
Matadur
8.7k
points
Chemistry
high-school
1
answer
3
votes
115k
views
What are the end products for Ornithine in the Decarboxylase test?
Sepisoad
asked
Oct 2, 2024
by
Sepisoad
8.0k
points
Chemistry
high-school
1
answer
1
vote
54.7k
views
Direct Modification of Pitch How to treat Pitch: Caution
Aaron Miler
asked
Oct 2, 2024
by
Aaron Miler
8.0k
points
Chemistry
high-school
1
answer
1
vote
152k
views
What is the estimated standard enthalpy of formation (ΔHf°) for magnesium fluoride (MgF₂) based on the given data? A) -3469 kJ/mol B) -2693 kJ/mol C) -1821 kJ/mol D) -4285 kJ/mol
Crazy Lazy Cat
asked
Oct 2, 2024
by
Crazy Lazy Cat
8.1k
points
Chemistry
high-school
1
answer
2
votes
75.5k
views
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