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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.

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Q: Bases feel slippery and taste sour true or false
7 answers
Q: What is the active ingredient in dawn
1 answer
Q: Why is it possible for sodium calcium and potassium to replace each other
1 answer
Q: What is true of the oxidation number of all metal ions
1 answer
Q: Why are t-shirts pre-treated with sodium carbonate when tye-dying
1 answer
Q: Are diatomic elements are generally stable.
3 answers
Q: What happens when oleic acid is added to water
1 answer
Q: If 213 J raises a sample of water 8.2oC what is the mass of the water
2 answers
Q: To which series would the emitted light belong if an electron in a hydrogen atom underwent a transition from level n 5 to level n 1
2 answers
Q: A charge atom that has gained one or more electrons
2 answers
Q: List 5 properties that most metals have in common
1 answer
Q: Does dirt dissolve in water
10 answers
Q: What is the name for a person who can transform base metal to gold
3 answers
Q: How many orbitals are completely filled in an atom whose electron configuration is 1s2 2s2 2p3
2 answers
Q: Why do salts of weak acids dissolve faster than the parent acid irrespective of pH
2 answers
Q: Some elements are solids at room temperature.
3 answers
Q: A symbol used in a chemical equations that means''reacts with
2 answers
Q: Explain why a mole of iron atoms has more mass than a mole of helium atoms when there are the same number of atoms in a mole of each element
3 answers
Q: The last thing you should do before leaving the laboratory is .
2 answers
Q: What is the difference between crystals and diamonds
2 answers
Q: What is used to separate hydrogen and oxygen
2 answers
Q: Its atomic number is twice that of aluminum
1 answer
Q: Element. All helium atoms have 2 protons. What is the atomic number of helium
5 answers
Q: How many CI atoms are in Zn(CIo3)2
7 answers
Q: The water in a barrel weights 381.8 pounds if a gallon of water weights about 8.3 pounds how many gallons are in the barrel
2 answers
Q: How many dots should be placed around argon in a dot diagram
2 answers
Q: What ion does sulfur have
1 answer
Q: Reaction to convert ethyl bromide into methane
1 answer
Q: The main reason for learning to correctly pour fluids in a laboratory is to conserve costly chemicals. true or false
1 answer
Q: Product of H2 plus O2
2 answers
Q: In the reaction MgCI2 plus 2KOH Mg(OH)2 plus 2KCI if 6 moles mgci2 are added to 6 moles koh which is the limiting reagent
8 answers
Q: What is the symbol for a chlorine ion
1 answer
Q: In the redox reaction AgNO3 plus Na NaNO3 plus Ag which element has been oxidized
3 answers
Q: What is the name of the particle that orbits the nucleus of an atom
5 answers
Q: Potassium chloride (KCl) is a compound formed when K transfers an electron to Cl. What kind of bond holds KCl together
4 answers
Q: Water ionizes into hydrogen ions and hydroxide ions. It has a value.
2 answers
Q: What is the difference between charcoal graphite and diamond
2 answers
Q: Is pepperoni pizza an element or a compound or heterogeneous mixture or a homogeneous mixture
1 answer
Q: Which one of the following compounds is copper(I) chloride
1 answer
Q: Would the oils and sweat make a homogeneous mixture or a heterogeneous mixture Explain your answer
2 answers
Q: How do you convert acetic acid to methylamine
1 answer
Q: Which of the following elements has the same Lewis dot structure as phosphorus
2 answers
Q: What are the limitations of infrared spectroscopy
6 answers
Q: What is the fingerprint region in infrared spectroscopy
2 answers
Q: Is battery acid ionic
1 answer
Q: If you choose to change the pH of a solution very slightly should you add a strong acid or weak acid
2 answers
Q: What is the overall charge of ionic compound
2 answers
Q: How do the oxygen (O2) and carbon dioxide (CO2) levels change over time
1 answer
Q: How do differences in air pressure cause smoke to rise up a chimney
1 answer
Q: Is smog an element or a compound
2 answers
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