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Recent questions in Chemistry
Sodium fluoride keeps __________ A. Cellulite molecule intact for 5 days B. Cellulose melocule intact for 4 days C. Glycerin cell molecule in tact for 3 days D. Glucose molecule intact for 3 days
Benni
asked
Oct 11, 2024
by
Benni
8.0k
points
Chemistry
high-school
1
answer
0
votes
106k
views
How many grams of C2H4 must burn to give 56.0 kJ of heat? A) Combustion Mass B) Reaction Yield C) Heat Release D) Molecular Weight
Omegalen
asked
Oct 11, 2024
by
Omegalen
8.4k
points
Chemistry
high-school
1
answer
5
votes
51.9k
views
This reaction takes place in acid. Balance oxygen using H₂O for these half-reactions: Cr₂O₇⁻² + 6e⁻ = 2Cr⁺³ C₂O₄⁻² = 2CO₂ + 2e⁻
OArnarsson
asked
Oct 11, 2024
by
OArnarsson
8.6k
points
Chemistry
high-school
1
answer
3
votes
84.1k
views
How many unpaired electrons would you expect for the complex ion: [Fe(NH₃)₆]₂ ? O 2 O 6 O 4 O 5 O 0
Eduardo Chavira
asked
Oct 11, 2024
by
Eduardo Chavira
7.4k
points
Chemistry
high-school
2
answers
5
votes
93.4k
views
What is the Cation and anion for ZnF2
Joaumg
asked
Oct 11, 2024
by
Joaumg
8.5k
points
Chemistry
high-school
1
answer
1
vote
17.5k
views
Material Al Fe Cd Pt Specific Heat Capacity 0.90 0.45 0.21 0.13 In an experiment, 400 J of energy was absorbed by each of the four metals (each having a mass of 10 g) in the above table. Which material
Ecyshor
asked
Oct 11, 2024
by
Ecyshor
7.8k
points
Chemistry
college
1
answer
0
votes
2.5k
views
Does anyone know Chemistry
Narasimha Reddy
asked
Oct 11, 2024
by
Narasimha Reddy
6.9k
points
Chemistry
college
1
answer
3
votes
95.5k
views
Suppose you mix 25.0ml of 0.234m FeCl₃ solution with 42.5ml of 0.453m NaOH. What is the resulting solution's concentration? 1) 0.234m 2) 0.453m 3) 0.343m 4) Cannot be determined
Abdulbari
asked
Oct 11, 2024
by
Abdulbari
9.1k
points
Chemistry
high-school
1
answer
1
vote
110k
views
The reaction shows 100 kj of energy is released when 1.0 mol c3h8 forms. 3c 4h2 = c3h8 100 kj how much energy is released when 2.0 mol c3h8 forms? 200 kj 100 kj 300 kj 400kj
Burnpanck
asked
Oct 11, 2024
by
Burnpanck
8.3k
points
Chemistry
high-school
1
answer
0
votes
92.6k
views
When molecules move apart causing the substance to fill its container, the state of matter is?
Szabolcs Antal
asked
Oct 11, 2024
by
Szabolcs Antal
8.1k
points
Chemistry
high-school
1
answer
3
votes
165k
views
"Thoroughly tilling soil: a - Alleviates phosphorous fixation b - Destroys soil structure c - Enhances seed germination d - is the recommended method for controlling persistent weeds e - is the first step
Volodymyr Bilovus
asked
Oct 11, 2024
by
Volodymyr Bilovus
7.9k
points
Chemistry
high-school
1
answer
4
votes
205k
views
A bond is rarely just ionic or covalent. Rather, bonds are described as having ionic character or covalent character. Discuss how differences in electronegativity contribute to this description. a) Electronegativity
Phill Sparks
asked
Oct 11, 2024
by
Phill Sparks
7.7k
points
Chemistry
high-school
1
answer
1
vote
214k
views
How do we visualize the proteins after running the gel?
Valter Minute
asked
Oct 11, 2024
by
Valter Minute
8.3k
points
Chemistry
high-school
1
answer
4
votes
99.9k
views
A stream of humid air containing 1.00 mole% H2O(v) and the balance dry air is to be humidified to a water content of 10.0 mole% H2O(v). For this purpose, liquid water is fed through a flow meter and evaporated
Andreas Lymbouras
asked
Oct 11, 2024
by
Andreas Lymbouras
8.6k
points
Chemistry
high-school
1
answer
2
votes
169k
views
I am planning to create a solution of nickel (II) acetate to use for electroplating. From my research, I found that peracetic acid (which I am using to make copper (II) acetate by placing copper wire into
Nathanchere
asked
Oct 11, 2024
by
Nathanchere
7.7k
points
Chemistry
high-school
1
answer
3
votes
155k
views
There is relatively little empty space between atoms in solids and liquids, so that the average density of an atom is about the same as matter on a macroscopic scale–approximately 1,000 kg/m³. The nucleus
Scytale
asked
Oct 11, 2024
by
Scytale
8.0k
points
Chemistry
high-school
1
answer
4
votes
17.8k
views
Calculate the formula mass of carbon tetrachloride.
Maloric
asked
Oct 11, 2024
by
Maloric
8.2k
points
Chemistry
high-school
1
answer
4
votes
154k
views
Water in which the hydrogen atoms, 1H, are replaced by the heavier isotope deuterium, 2H, is most commonly referred to as water described by what adjective?
Tim Boudreau
asked
Oct 11, 2024
by
Tim Boudreau
7.8k
points
Chemistry
high-school
1
answer
5
votes
217k
views
A) How many milliliters of a stock solution of 5.20 M HNO₃ would you have to use to prepare 0.160 L of 0.550 M HNO₃? B) If you dilute 20.0 mL of the stock solution to a final volume of 0.330 L , what will
Lucuma
asked
Oct 11, 2024
by
Lucuma
7.9k
points
Chemistry
high-school
1
answer
3
votes
106k
views
: = = 0.110g of CuC12 (Mm = 134.45g/mol) are mixed with 25 mL of water and 8.0mL of 0.050M solution in Na3PO4 (Mm = 163.94g/mol). When reacting, the precipitate Cu3 (PO4) 2 (Mm = 380.58g/mol) is formed
Karan Alangat
asked
Oct 11, 2024
by
Karan Alangat
7.0k
points
Chemistry
high-school
1
answer
5
votes
123k
views
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