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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: How would you classify sugar water
2 answers
Q: What is the correct chemical name for (NH4)2S
3 answers
Q: Which potassium salt K is the most soluble at 40 C and 80 C
2 answers
Q: Is sulfur a molecule or compound
1 answer
Q: Which halogen salt Cl- or Br- is the most soluble at all temperature
2 answers
Q: As you move across a period of a periodic table from left to right what happens to the elements electronegativity
12 answers
Q: What causes water molecules to stick together in liquid water
6 answers
Q: How is poison measured
1 answer
Q: What is MnI2 compound name
1 answer
Q: What is tfm in santoor soap
1 answer
Q: Which one of the molecules cointain double covalent bond
1 answer
Q: Can magnesium chloride react with sodium bicarbonate
1 answer
Q: Does flour soluble in water
1 answer
Q: What is the science formula for copper ore
1 answer
Q: Is a hamburger compound
2 answers
Q: What change your world chlorine have a win a bond with potassium
1 answer
Q: How did the discovery of electrons show that there are also positively charge parts of an atom
2 answers
Q: What is the ability to produce a change in the compositionof matter
1 answer
Q: How does fire eliminate waste
1 answer
Q: How can you recognize a base by its formula
2 answers
Q: Is it true or false that the temp. at which a liquid turns to a gas is called the boiling point
2 answers
Q: Is it true that sublimation and boiling both happen at the surface of the substance
1 answer
Q: What can weaken hydrogen bonds
1 answer
Q: Is there enough energy in the air at room temperature to change some liquids to gases
3 answers
Q: How would you use the word toxicity in a sentence
2 answers
Q: How many atoms in each element are in 4CaCO3
1 answer
Q: How many atoms of each element are in (nh4)3po4
1 answer
Q: How many atoms of each element are in mg(oh)2
2 answers
Q: What are the elements Fluorine Chlorine Bromine and Iodine which all part of the same column of the periodic table called
2 answers
Q: How many atoms of each element are in 2h2so4
1 answer
Q: How many atoms are in each element for 3h3po4
1 answer
Q: Is saline a compound or an element
2 answers
Q: How many moles of solute are contained in a 250.0 ml solution with a concentration of 2.5 ml
1 answer
Q: What is the conclusion in an egg osmosis lab
1 answer
Q: Do chlorine and carbon react
1 answer
Q: Is detergent a proper noun
1 answer
Q: Is a candle a endothermic or exothermic change
2 answers
Q: What charge is florene
2 answers
Q: What is sensitivity in chemistry
4 answers
Q: What advances in science led to the new model of atom
1 answer
Q: How many moles of CO2 are produced when 5.60 mol of ethane are burned in an excess of oxygen
3 answers
Q: What other else substances that can use instead of copper oxide in preparing copper sulphate
1 answer
Q: What groups of unreactive nonmetal that includes argon
2 answers
Q: Is zinc sulfide a strong or a weak electrolyte
2 answers
Q: How many bonds can Ga form
1 answer
Q: How does the concentration of acid differ from the strength of an acid
2 answers
Q: What chemical is a enzyme
8 answers
Q: A piece of solid Fe metal is put into an aqueous solution of Sn(NO3)2. Write the net ionic equation for any single-replacement redox reaction that may be predicted.
1 answer
Q: Why use brass fitting on gas cylinders instead of steel fittings
1 answer
Q: Is it true that all the atoms of a given element are different from each other
2 answers
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