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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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Questions
Q: What does CH4 do in the atmosphere
2 answers
Q: How do you find how many ions are in a chemical formula
2 answers
Q: What residue is left behind when copper carbonate is hot or cold
1 answer
Q: How many atoms are in KCL
1 answer
Q: Which substance yields H aq as the only positive ion in an aqueous solution
3 answers
Q: Why is chemistry a science and alchemy is not
1 answer
Q: What are the signs of ΔS univ ΔS surr and ΔS sys respectively for water freezing at -10C
1 answer
Q: Does baking soda work on ua for meth
1 answer
Q: What are elements in pink glass
1 answer
Q: What is Daltons law on partial pressure
3 answers
Q: What are four things that indicate that a chemical change may have taken place
1 answer
Q: Which element would have properties most like Ca(calcium)
2 answers
Q: What is the molecular weight of sodium acetate
1 answer
Q: Which substance would have a mass of 135 g when it has a wolume of 125000 cm
1 answer
Q: What impact did chemical warfare have in World War 1
1 answer
Q: When a gas cools and condenses it becomes a
2 answers
Q: Which of the following has the lowest density
9 answers
Q: Are diamonds able to scratch quarts
1 answer
Q: What are water purification tablets made of
1 answer
Q: Why earths atmosphere today contains more oxygen than earth atmosphere
1 answer
Q: Who invented platinum thermometer
1 answer
Q: What are the results in burning of fuels
1 answer
Q: What is the function of gas chromatograph
1 answer
Q: What is the independent variable in rainbow fire experiment
1 answer
Q: What describes Bond character
1 answer
Q: Is silicon and oxygen nonmetals
1 answer
Q: What is the balance equation for Magnesium and silver nitrate
2 answers
Q: Why are alkalis the opposite of acids
1 answer
Q: What are some acidic objects
2 answers
Q: What are fluids in science
1 answer
Q: What is water that has low saline content called
2 answers
Q: What is the conjugate base and conjugate acid for HSO4-
5 answers
Q: Are nitrogen levels constantly decreasing each year
1 answer
Q: What is the difference between the materials Co and CO in chemistry
2 answers
Q: What colour would universal indicator turn if added to a toothpaste solution
1 answer
Q: When hydroelectric acid is dissolved in water the reaction products carbon dioxide and oxygen
1 answer
Q: When used with human beings elemental diets what happens
1 answer
Q: Can compound microscopes see atoms
2 answers
Q: How much does a glue weigh
2 answers
Q: What type of bond will form between zinc and bromine
2 answers
Q: What is the weight per gallon of sodium hydroxide
2 answers
Q: What blood test has to be put straight in ice
1 answer
Q: Why are not all solids minerals using the word crystal structure
1 answer
Q: Is oven cleaner a acid or a alkaline
1 answer
Q: What substance contains a thylakoid
1 answer
Q: What would the overall potential for 3Ag2S 2Al(s) -- Al2S3 6Ag(s)
2 answers
Q: How does tetrachlorodibenzoparadioxin react
2 answers
Q: How does the energy value of a carbohydrate molecule compare to the energy of a fat molecule
2 answers
Q: Is s8 atom or molecule
1 answer
Q: Which explains why carbon is such a versatile element
1 answer
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