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Chemistry
Jose White
A bicyclist rides with a constant velocity of 8 m/s. What would you need to know to calculate the net force on the rider?
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Chemistry
Cadence
Using the ideas from this section and the periodic table, choose the more reactive metal. Al or Zn
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Chemistry
Gavyn Christian
If the temperature of a weather balloon is increased how does the volume of the balloon change
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Chemistry
Erik
Which of these changes would cause a decrease in the pressure of a contained gas?
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Chemistry
Brittany Velasquez
How to identify the number of protons neutrons and electrons and mass number?
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Chemistry
Deja Pham
During an earthquake the cooling system of a nuclear reaction can be compromise increasing the threat of what?
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Chemistry
Nelson Buck
A nuclear reaction only involves valence electrons. True or False?
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Chemistry
Vaughn Casey
If a farmer wants to increase the health of his crops, he could apply a nitrogen-based fertilizer. why is nitrogen important to plants?
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Chemistry
Lorena Sampson
A car battery produces electrical energy with the following chemical reaction.
Pb + PbO2 + 2H2SO4; 2PbSO4 + 2H2O
What is the mole ratio of PbO2 to water?
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Chemistry
Olson
Which of the following is an example of the electrostatic force acting in a atom
a. a neutron attracting a electron
b. a neutron attracting a proton
c. an electron attracting another electron
d. a proton attracting an electron
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Chemistry
Double Bubble
When does water move between the surface of earth and the atmosphere
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Chemistry
Jaron Gross
Why does water vapor exist naturally in the atmosphere
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Chemistry
Mara Joseph
How is the volume of a gas related to its concentration of particles?
As the volume of a contained gas expands, its pressure concentration of
particles will increase.
As the volume of a contained gas extends, its pressure concentration of
particles will increase.
As the volume of a contained gas decreases, its pressure concentration of
particles will increase.
As the volume of a contained gas compresses, its pressure concentration of
particles will decrease.
Air is nrimarily composed of nitrogen and oxygen gases. Which state of these elements can con
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Chemistry
Mikayla Moon
How does the density of one penny compare with the density of two pennies
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Chemistry
Zara Cardenas
How many valence electrons does beryllium have
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