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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: 30 g of iron with a specific heat of 0.45 J per g per deg C at 160 deg C is dipped in 40 g of water at 10 C. If water has a specific heat of 4.184 J per g per deg C what is the final temperature
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Q: What do you call a person who make detergents
1 answer
Q: Kid friendly definition for atom
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Q: The movement of water molecules from an area of high concentration to low concentration through a selectively permeable membrane is called what
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Q: What is the second quantum number of a 1s2 electon in phosphorus 1s22s22p63s23p3
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Q: Name for any substance that speeds up the rate of chemical reaction
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Q: What would the final freezing point of water be if 3 mol of sugar were added to kg of water (Kf 1.86
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Q: Convert 350 degrees Fahrenheit to degrees centigrade
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Q: What kind of bond is N
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Q: Why is nitrogen oxide colourless and nitrogen di oxide is brown gas
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Q: Chlorine and fluorine are located in the same group in the periodic table. If the reaction were performed with fluorine instead of chlorine how many moles of H2 would be required to balance the equati
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Q: Which chemical in your virtual lab is radioactive
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Q: You eat 180.0 g of glucose. How many grams of oxygen will you have to breathe in
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Q: What happens to atoms in fireworks when they explode
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Q: The chlorine is an rare element or abundant
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Q: How does DCPIP work
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Q: Electronegativity increases when atoms .
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Q: As you move down a group elements have electron shells than those above them.
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Q: What is the chemical equation for chromium (III) nitrate and sodium phosphate
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Q: Substances that change color in an acid or base
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Q: What is one distinguishing characteristic of a myth
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Q: What is a way to diagram chemical bonds and compounds
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Q: What do you call someone who works with precious metals and stone
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Q: Covalent bonds form due to the attraction between .
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Q: What substances is likely to be the best insulator
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Q: The first periodic table of elements Mendeleev created contained only 70 elements.ng
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Q: Can a substance be both acidic and basic at the same time
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Q: A(n) is formed when two or more elements are joined together.
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Q: Will a precipitate form between NaCl Na3PO4 and Ba(NO3)2
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Q: What are the advantages and disadvantages of ashes on fecal matter
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Q: What is the production of nitrates from ammonia called
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Q: What is the bad thing we breath from gold mining
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Q: How many shells does xenon have
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Q: What is irons reactivity
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Q: Why can gasses change volume (apex)
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Q: How many phases of matter are there (apex)
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Q: What happens when a liquid becomes a gas (apex)
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Q: What is matter (apex)
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Q: This type of compound is usually formed when you burn an element in air
1 answer
Q: Chemical equation for magnesium oxide and hydrochloric acid
9 answers
Q: Which energy source has been developed and improved by chemists wind battery coal
1 answer
Q: What do chemists study (apex)
2 answers
Q: What results when combining two complementary pigment colors
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Q: What is a mineral that is an ore of lead
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Q: Identify the italicized part of the sentence as cause or effect. David left the cookies in the oven too long and they became charcoal
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Q: Which element will gain three electrons to form an anion
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Q: Is it found pure in the nature magnesium
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Q: How much is it worth per kilogram of magnesium
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Q: What is the formula for tin II hypochlorite
7 answers
Q: Are aluminum soda cans decomposition time
1 answer
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