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Chemistry
Chemistry
College
A compound contains 0.5 mol Na, 0.5 mol N, and 10 mol H. The empirical formula of thecompound is -
Chemistry
College
1.00 x 10^6 atoms of gold is equivalent to how many grams?
Chemistry
High School
How many total atoms are in one molecule of Pb(C2H2O2)2?A) 9B) 14C) 3D) 15
Chemistry
High School
Call each of your flowers as water employee increase rate of growth
Chemistry
High School
True or false The difference between solids and liquids is that solids have definite shape and volume, while liquids have no define volume
Chemistry
High School
What does a TRAAP test stand for
Chemistry
College
What is thrust force
Chemistry
College
What are the dependent and independent variables? (Picture^^)
Chemistry
High School
Calculate the number of moles that are in 2.0 L of a 0.75 M solutions of NaCl
Chemistry
High School
each side of a square is 8 by 10 metre find the area of the square
Chemistry
High School
The total mass of the __________________ and __________________ in an atom is the atomic mass. Fill in the blanks Plzz
Chemistry
High School
Help me pretty please
Chemistry
College
pond water with microscopic organisms inside mixture or pure substance
Chemistry
High School
which substance will evaporate first???????????????????
Chemistry
Middle School
Identify the forces acting on you when you are standing still. Explain why the forces do not cause you to move.
Chemistry
College
Which level is made up of organisms that break down dead organisms?
Chemistry
High School
Which formula equation represents the burning of sulfur to produce sulfur dioxide?
Chemistry
High School
If a reaction is endothermic,1 pointMore energy is released when the bonds in the products are formed than is used tobreak the bonds in the reactantsThe temperature increasesThe same amount of energy is used to break the bonds of the reactants as is releasedwhen the bonds in the products are formed OIt takes more energy to break the bonds of the reactants than is released when thebonds in the products are formed
Chemistry
Middle School
Plan and create a model of complex carbohydrate that shows the relationship between simple and complex carbohydrates.
Chemistry
High School
b. What useful functions do oxidation numbersserve?20.b. How many molecules are in 1 mole ofmolecules?c. What is the name given to the number ofmolecules in 1 mole?21. a. What is the molar mass of an element?b. Write the molar mass rounded to twodecimal places of carbon, neon, iron anduranium.
Chemistry
College
When a liquid is insoluble in another liquid, the liquids are said to be?
Chemistry
Middle School
If we place another identical ball onto the table, the situation changes. Now there s one ball with energy, and one that is not moving (its speed is 0 m/s). Calculate the total thermal energy of the system by adding the energy of each ball.
Chemistry
College
What is the correct shape and polarity of a water molecule
Chemistry
College
Name the process that happens when a liquid turns into a gas.
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