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Recent questions in Chemistry
What is the percent yield of lithium hydroxide from a reaction of 7.40 grams of lithium with 10.2 grams of water? The actual yield was measured to be 12.1 grams. 2Li(s) + 2H₂O(l) ⇒ 2LiOH(aq) + H₂(g) Answers:
Clayton Hughes
asked
Oct 13, 2024
by
Clayton Hughes
8.1k
points
Chemistry
high-school
1
answer
2
votes
39.7k
views
1. Which of the following statements is false? MS-ESS3 a. The soil dries out between January and June. b. Precipitation equals evaporation in June. c. The soil is drying out between June and December.
Scordo
asked
Oct 13, 2024
by
Scordo
8.7k
points
Chemistry
high-school
1
answer
2
votes
81.6k
views
Ionic equation for reaction of sodium chlorate and potassium iodide in the presence of acid
Octavian Epure
asked
Oct 13, 2024
by
Octavian Epure
8.2k
points
Chemistry
high-school
1
answer
0
votes
76.6k
views
KOH + H2O + CO2 = Balancear la ecuacion
Rahul Vijay Dawda
asked
Oct 13, 2024
by
Rahul Vijay Dawda
8.3k
points
Chemistry
college
1
answer
4
votes
121k
views
In gel electrophoresis, one can determine the relative abundance of a fragment by?
Nerdenator
asked
Oct 13, 2024
by
Nerdenator
7.6k
points
Chemistry
high-school
1
answer
5
votes
2.3k
views
Based on its location, which of the following countries likely has a warm, tropical climate? United States Russia Brazil Greenland
Cthrash
asked
Oct 13, 2024
by
Cthrash
8.1k
points
Chemistry
college
1
answer
2
votes
98.5k
views
Both ammonia (nh3) and phosphine (ph3) are soluble in water. Which is least soluble and why?.
DotnetCarpenter
asked
Oct 13, 2024
by
DotnetCarpenter
8.4k
points
Chemistry
high-school
2
answers
5
votes
102k
views
Consider the unbalanced equation for the oxidation of butene. C.Hg + 60₂ → CO₂ + H₂O For each molecule of CaHg that reacts, how many molecules of carbon dioxide and water are produced? A) two carbon dioxide
AAGD
asked
Oct 13, 2024
by
AAGD
8.4k
points
Chemistry
high-school
1
answer
4
votes
5.9k
views
In assembly of equipment that holds the capacity of oxygen greater than blank is defined as bulk oxygen system? A) 3000 foot. B) 10000 foot. C) 20000 foot. D) 28000 foot.
AtinSkrita
asked
Oct 13, 2024
by
AtinSkrita
7.9k
points
Chemistry
high-school
1
answer
1
vote
24.2k
views
2 types of chemical indicators that show the presence of a base pH greater than 7
Magicgregz
asked
Oct 13, 2024
by
Magicgregz
8.9k
points
Chemistry
high-school
1
answer
2
votes
182k
views
Cacti are native to deserts in the Americas, whereas cactus-like euphorbs are native to African deserts. The two plant groups are not closely related, and the euphorbs have normal broad-leaved plants such
Tomikiss
asked
Oct 13, 2024
by
Tomikiss
8.7k
points
Chemistry
high-school
1
answer
5
votes
226k
views
Yttria-stabilized zirconia (YSZ) is made by doping ZrO2 with , with yttrium appearing as substitutional defects on the cation sub-lattice. (The ZrO2 – phase diagram is available on the book website.
Jake Wilson
asked
Oct 13, 2024
by
Jake Wilson
7.6k
points
Chemistry
college
1
answer
5
votes
217k
views
Which of the following objects will float or sink in water: a basketball or a hockey puck
Mathe Eliel
asked
Oct 13, 2024
by
Mathe Eliel
8.4k
points
Chemistry
high-school
1
answer
0
votes
98.9k
views
The primary mechanisms of action of ethanol are best described as: A) Inhibition of acetylcholinesterase B) Activation of GABA receptors C) Modulation of the endocannabinoid system D) Blockade of dopamine
BalajiK
asked
Oct 13, 2024
by
BalajiK
7.8k
points
Chemistry
high-school
1
answer
2
votes
25.5k
views
Using the linear combination method, what is the solution to the system of linear equations 5x+3y=-10 and -20x-7y = 15? Option 1: (-5, 1) Option 2: (-1,5) Option 3: (1,-5) Option 4: (5, -1)
LancerSung
asked
Oct 13, 2024
by
LancerSung
7.4k
points
Chemistry
high-school
1
answer
0
votes
85.8k
views
Classify the silicate groups based on how many oxygen atoms are shared by each silicon-oxygen tetrahedron with a neighboring silicon-oxygen tetrahedron.
Ppoliani
asked
Oct 13, 2024
by
Ppoliani
8.1k
points
Chemistry
high-school
1
answer
5
votes
114k
views
Give the correct name for CO(SeO3)
Dter
asked
Oct 13, 2024
by
Dter
7.7k
points
Chemistry
college
1
answer
4
votes
189k
views
How do acids feel? The properties of acids are _______ by a base. Please help!!!!
Gerald Versluis
asked
Oct 13, 2024
by
Gerald Versluis
8.6k
points
Chemistry
high-school
1
answer
5
votes
169k
views
In which flask do the molecules have the greatest average speed: a. Flask A (T = 300 K) b. Flask B (T = 400 K) c. Flask C (T = 200 K) d. Flask D (T = 350 K)
Mnuzzo
asked
Oct 13, 2024
by
Mnuzzo
7.5k
points
Chemistry
high-school
1
answer
5
votes
69.3k
views
Pieces of potassium (Φ = 3.68 × 10–19 J) and sodium (Φ = 4.41 × 10–19 J) metal are exposed to radiation of wavelength 290.0 nm. What is the velocity of the electrons from sodium? What is the velocity of
Boileau
asked
Oct 13, 2024
by
Boileau
7.6k
points
Chemistry
college
2
answers
1
vote
230k
views
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