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Chemistry
Chemistry
Delve into the study of matter, its properties, composition, structure, and the changes it undergoes during chemical reactions. Chemistry is the central science connecting other scientific disciplines.
221k
Questions
Q: Prefix for flammable
2 answers
Q: The process used to determine what the artist was trying to convey.
2 answers
Q: The rules used to organize the elements in order to achieve composition.
2 answers
Q: Is a candle an example of sublimation
2 answers
Q: What state of matter describes yogurt
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Q: Is a tablet a compound word
2 answers
Q: Liquids that evaporate gases dusts fumes or mists are measured in
1 answer
Q: Why do beryllium and calcium have similar chemical properties
1 answer
Q: The amount of energy in the bonds of the reactants plus any energy absorbed equals the amount of energy in the bonds of the products plus any energy
2 answers
Q: In the reaction between bromine and sodium a bromine atom gains an electron and forms the bromine ion Br. what happens to bromine
1 answer
Q: Which two reaction are also redox reaction
2 answers
Q: Ag3PO4 what does it stands for
1 answer
Q: Thermal windows often have all the air pumped out between the panes and a gas pumped in that is not harmful and won't react with other things. What gas would be used
3 answers
Q: Rubidium (Rb) has an atomic number of 37. It can lose 1 electron to form an ion. What would its charge be
3 answers
Q: According to the Gibbs free energy equation G H - TS when is a reaction always spontaneous
2 answers
Q: The atomic number is the number of an atom
2 answers
Q: What is Phosphodiester Backbone
1 answer
Q: Ask us anythingWhich best describes how an ionic bond forms
1 answer
Q: What are nonpolar bonds
1 answer
Q: Does aluminium alloys rust
6 answers
Q: What is the difference between powder and granules
1 answer
Q: What is the complete burning of 1 gram of a substance called
2 answers
Q: What is the destruction or elimination of abnormal tissue cells such as warts or tumors through the application of extreme cold by suing liquid nitrogen
1 answer
Q: Jewelry is often made from metals such as silver or gold. Which of the following properties is possessed by gold but not possessed by silver
2 answers
Q: 15.What is the conjugate acid of H4N2
1 answer
Q: What is the conjugate base of H3O2 plus
1 answer
Q: Do you fast before blood test to check depakote level
1 answer
Q: 7. What problem does the burning of gasoline with sulfur contribute to
1 answer
Q: How does the universal solvent help living things
1 answer
Q: What element is used in a light bulb as a filament
2 answers
Q: Would you want to have two or more separate fuses in a rocket
2 answers
Q: A combination of two or more things is
1 answer
Q: What happens if you inject water with nothing in it
2 answers
Q: Occurs when people come in direct contact with a harmul agent at or near an incident
3 answers
Q: The odor of borax
2 answers
Q: The molecular arrangement of cornstarch
2 answers
Q: Why some substances in chromatography will travel futher up the paper
1 answer
Q: Why will some substances travel further up the paper
1 answer
Q: How do you turn brown into red
2 answers
Q: Definition for reactivity with vinegar
1 answer
Q: Which one of the following is the number you place to the left of the formula a substance taking part in a reaction
2 answers
Q: What is the name of H3C
2 answers
Q: One of the key questions that must be answered before deploying to a hazardous materials site is What happened Which of the following is NOT an element needed to determine what happened
3 answers
Q: In the covalent compound CO2 the greek prefix used to represent the anoin is
2 answers
Q: When very electronegative atoms like oxygen bond to atoms with a lower electronegatively like hydrogen What is the result
1 answer
Q: According to the Lewis dot structure above water has how many lone pais of electrons
7 answers
Q: The sharing of valence electrons between atoms indicates an ionic bond.
3 answers
Q: Covalent bonds are weaker than the hydrogen bonds used to hold water molecules together.
2 answers
Q: How is oxygen is cycled between the tree and the fox
1 answer
Q: If a chemical can catch fire very easily what hazard symbol should it bear
2 answers
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