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Chemistry
Araceli Arnold
about 23 hours ago
A glass of ice at 0 degrees Celsius changes to a glass of water at 0 degrees Celsius what caused the ice to change to water
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Chemistry
Beau Faulkner
about 23 hours ago
A wave had a frequency of 40 Hz and a wave speed of 100 m/s what is the wavelength
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Chemistry
Abril
about 23 hours ago
Most reactions between an acid and a base form a salt and water. Which term describes an acid-base reaction?
A. single-replacement reaction
B. decomposition
C. double-replacement reaction
D. synthesis
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Chemistry
Guest
about 24 hours ago
Predict what would happen if both cold air masses had the same temperature.
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Chemistry
Jackson Underwood
a day ago
Is caffeine corrosive
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Chemistry
Shelby
a day ago
The pressure of an enclosed gas depends on
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Chemistry
Anise
a day ago
Consider the following balanced equation: Cu + 2AgNO3 Cu (NO3) 2 + 2Ag How many moles of AgNO3 would be needed to produce 2.8 moles of Cu (NO3) 2?
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Chemistry
Sylvia Hull
a day ago
A jar contains helium gas. what would happen if the lid of this Jar was removed
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Chemistry
Avila
a day ago
Which is the most important reason to continue efforts to preserve coral reefs
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Chemistry
Giselle Knight
a day ago
The loss of one or more electrons from an atom is called
a. oxidation
c. electrochemistry
b. reduction
d. half-reaction
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Chemistry
Lucian
a day ago
What is the relationship or trend between the distance between the paper clips and the speed your fingers are moving?
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Chemistry
Lilly Acevedo
a day ago
Write the Henderson-Hasselbalch equation for a solution of formic acid.
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Chemistry
Tabitha Nixon
a day ago
How many grams of sodium sulfate are needed to make 750.0mL of 0.215 M sodium sulfate solution?
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Chemistry
Kayden Spencer
a day ago
Potassium forms ions with a charge of + 1 (K+). Iodine forms ions with a charge of - 1. Selenium forms ions with a charge of - 2 (Se2-). Imagine that Potassium ions and Selenide ions combine to form Potassium Selenide. What numbers would be in the place of X and Y in: KXSeY
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Chemistry
Kyleigh Moreno
a day ago
What mass of water (H2O) will be collected if 20.0 grams of oxygen gas (H2) are consumed
2H2+O2-->2H2O
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