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Chemistry
Chemistry
Middle School
There to be more gas dissolved in a cold Diet Coke than warm Diet Coke
Chemistry
Middle School
To measure the volume of a washing machine, use:literskiloliterskilogramstons
Chemistry
College
Which groups on the periodic table contains magnesium (Mg)?
Chemistry
High School
Jenna is playing with her toy cars, which are both the same size. She pushes the red car with a strong push. She pushes the blue car with a weak push. What should Jenna expect to observe?
Chemistry
College
a fertilizer manufacturer makes a batch of 20kg of ammonium nitrate. what mass of ammonia in kg, does the manufacturer need to start with?
Chemistry
Middle School
A gas has a volume of 3.00 L at 65.0 C. The same gas has a volume of 11.4 L at 105 C and 1725 mmHg. What was the original pressure of the gas?
Chemistry
High School
What is the measure for the amount of disorder in a system?
Chemistry
High School
please help its due today..!
Chemistry
Middle School
NEED HELP WITH #1 WILL GIVE BRAINLIEST FOR CORRECT ANSWERS PLEEEASE HELPPP
Chemistry
Middle School
How many grams of ammonia (NH3) are present in 5.0L of a 0.050M Solution?A. 5.2gB. 4.3gC. 4.3molD. 78g
Chemistry
College
The first step that you will do in lab is to prepare approximately 20.0 mL each of the following solutions of NaOH, using the NaCl solution to dilute the concentrated (0.300 M) solution of NaOH. After you prepare each solution, transfer it to a clean 50 mL beaker on top of a labeled piece of paper. 0.200 M NaOH 0.150 M NaOH 0.100 M NaOH 0.050 M NaOH 0.025 M NaOH
Chemistry
Middle School
Static electricity isa closed conducting pathwhen electrons move easily through objectsbuild up of electrical charges by friction
Chemistry
Middle School
what two factors does elastic potential energy depend upon
Chemistry
Middle School
As the kinetic energy of particles of matter increase, the distance between the particles?
Chemistry
High School
Consider the total ionic equation below.Ba2+ + 2NO3 + 2Na+ + Co3 BaCO3 + 2Na+ + 2NO3Which is the net ionic equation for the reaction?O Ba2+ + C03 > BaCO3 2Na+ + co} Na2CO3NO3 + Na* > NaNO3O Ba2+ + 2NO3 Ba(NO3)2
Chemistry
High School
Please helpWhat causes a wave to have a higher amplitude?
Chemistry
High School
Find [H3O+], [OH-], & pOH for a window-cleaning solution whose pH is 4.33.
Chemistry
Middle School
According to plate tectonics, the continents.do not move at allare drifting on a sea of magmawill one day be joined together"float' on top of the crust
Chemistry
College
The tribute states of the ancient Aztec empirewere governed directly by the emperor.made regular payments to the emperor.acted as powerful independent city-states.O surrounded the main Aztec city-state.
Chemistry
High School
Compare and contrast monoprotic and polyprotic acids.
Chemistry
Middle School
1-Which reaction shown below is carried out by nitrifying bacteria? I will mark you as brainlistChoose:A.{ammonium} to {nitrate}B.{nitrate} to {nitrogen gas}C.{nitrogen gas} to{ammonium}
Chemistry
High School
What is the general word equation for salt formation by neutralization? a. Metal + nonmetal b. Acid + metal c. Base + nonmetal d. Acid + base
Chemistry
High School
What mass of solute is needed to prepare each of the following solutions?a. 1.00 L of 0.125 M K2SO4 b. 375 mL of 0.015 M NaF c. 500 mL of 0.350 M C6H12O6
Chemistry
High School
Which system produces immune cells?A. circulatoryB. lymphaticC. skeletalD. respiratory
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