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Chemistry

Chemistry is the scientific study of the properties and behavior of matter. It is a natural science that covers the elements that make up matter to the compounds composed of atoms, molecules and ions: their composition, structure, properties, behavior and the changes they undergo during a reaction with other substances.

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Q: What is CO the equation for
2 answers
Q: What best describes how to safely smell a sample in a flask
1 answer
Q: Water is a solvent in a(n) what solution
3 answers
Q: Is sodium bromide ionic or molecular
3 answers
Q: What reaction would have an increase in entropy
2 answers
Q: An acidic solution has the pH balance of
3 answers
Q: How does one determine a percent composition from an emperical formula
2 answers
Q: What kind of bond holds together the monomers the make up protein
2 answers
Q: What is the difference between dissociation constant and equilibrium constant
1 answer
Q: Elements on very first Periodic Table
1 answer
Q: What is the difference between a crystalline solid and an amorphous solid
1 answer
Q: The process of squeezes the salt out of salt water
1 answer
Q: What best describes what happens when a neutral atom becomes a positive ion
1 answer
Q: Which electrode gets heavier in an electrolytic cell
1 answer
Q: What part of the atom is involved in chemical bonding with atoms
1 answer
Q: Which of theses statements is true regarding a job search
1 answer
Q: Entropy increases in reactions when
1 answer
Q: Tightly-bound group of atoms that behaves as a unit and carries a net charge
2 answers
Q: Which of these does not accurately describe the Wright brothers first airplane
1 answer
Q: What happens when a magnesium atom loses an electron
1 answer
Q: What best describes thermal energy
1 answer
Q: The mass of an electron is often considered to be because it is so small
1 answer
Q: How does a lone pair contribute a molecular shape
1 answer
Q: Is hardness physical change or chemical change
1 answer
Q: How does the rate law show how concentration changes change the rate of reaction
1 answer
Q: Subtracting four from the period number of an inner-transition metal will indicate the number of shells
1 answer
Q: What are composed elements combined in a specific ratio called
1 answer
Q: What are the least active elements in the periodic table
2 answers
Q: What is an example of electromagnetic
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Q: What kind of information does the activity series of metals give
1 answer
Q: How do you know the molecule below is a saturated fat
3 answers
Q: What are half-reactions
1 answer
Q: How many moles of air are there in a 3 L container at 1 ATM pressure of 293 K
1 answer
Q: What is the name for the compound with the formula NaF
1 answer
Q: What proteins are vital to living things because they speed up chemical reactions by up to a trillion times .
1 answer
Q: What is the standard cell notation of a galvanic cell made with aluminum and nickel
2 answers
Q: What sequence of coefficients will balance the following equation Na (s) plus O2 (g) 2Na2O (s).
1 answer
Q: Why is ATP am example of chemical potential energy
1 answer
Q: If a reaction starts with a 6 atoms of a solid and 12 atoms of a gas what is known about the product
1 answer
Q: What is a bond formed by the electrical attraction between two oppositely charged ions is a(n) .
1 answer
Q: Is hnp a light petroleum product
2 answers
Q: Are substances which when dissolved in water will not conduct an electric current
2 answers
Q: Do crystals have a random internal structure
1 answer
Q: One property of acids is that they taste
1 answer
Q: What is the law of conservation of matter formula
1 answer
Q: How many protons does 26 this element have
1 answer
Q: These moraines are ridges of rock debris formed along the sides of a moving glacier
1 answer
Q: Is Na s plus MgF2 2NaF s plus Mg s a balanced equation
1 answer
Q: When regions do not receive enough precipitation to account for the amount of water necessary to thrive it is called a water
1 answer
Q: What is the bond order of Li2
3 answers
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