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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 is needed for the energy releasing chemical reactions that take place inside your cells
2 answers
Q: Which element has a larger ionic radius than calcium
9 answers
Q: What is the difference in electronegativity between S-O
1 answer
Q: What are some disadvantages of fluoride in water
1 answer
Q: What are the functional groups of novestrol
2 answers
Q: Why do gases and liquids rise when heated
1 answer
Q: Why was baking soda used to clean the Statue of Liberty
1 answer
Q: Why cant mixtures be represented by formulas
1 answer
Q: If your urine is light or pale it means that
2 answers
Q: Which factor allows earth to hold onto liquid water
7 answers
Q: Which situations would Dipole-dipole forces be significant
1 answer
Q: What is the name of this compound SCl2
1 answer
Q: What are two elements that have properties similar to those of element potassium to those of krypton
1 answer
Q: What does the net ionic equation show about a reaction
1 answer
Q: What are 5 elements used in nuclear power plants
2 answers
Q: What happens when plaster gets wet wet
1 answer
Q: Is hydrochlorical acid found in our stomachs
1 answer
Q: What is the total number of moles of NO produced when 1.0 mole of O2 is completely consumed
5 answers
Q: What Silver iron mans name
3 answers
Q: What is aluminum plus copper(2)Nitrate reaction
1 answer
Q: If water has a density of 1.0gmL and a test liquid has a density of 1.1 gmL pouring equal portions into a cup will cause what reaction
1 answer
Q: What you use to hold papers together
3 answers
Q: What is another word for atomic
2 answers
Q: How do Most liquids become what when they change into a solid
1 answer
Q: What is most salt of potassium sodium and ammonium ions
1 answer
Q: What are chlorine casualties most likely suffering from
1 answer
Q: Is gelatin a acid base or neutral
1 answer
Q: What causes of rusts
1 answer
Q: How many number of electron in sulfur
1 answer
Q: Why fluorine atom is smaller than fluoride ion
1 answer
Q: Why buffer resist change in PH when small amount of acid or base is added
1 answer
Q: How do you calculate the density of oxygen gas (O2) at 30 degree C and 700 mmHg
2 answers
Q: Why is silver suitable for jewelry
1 answer
Q: How many sodium ions there in 85g of sodium oxide Na2O
2 answers
Q: What is the PH of the phosphate buffer
1 answer
Q: How long Combustible waste takes to break down
1 answer
Q: Is a process in which a substance or substances is transformed into one or more new substances
3 answers
Q: What is a sixth period halogen
2 answers
Q: How much does a US gallon of powder weigh
1 answer
Q: In the gaseous state chlorine exists as a diatomic molecule Cl2 (Molar mass 70.9 gmol). Calculate the number of moles of chlorine present in 140 g of chlorine gas.
1 answer
Q: What is liquid solid or gas
2 answers
Q: When a cylinder of oxygen is left standing in the sun the temperature of the gas reaches 42 and deg C. The cylinder has a volume of 10 liters and contains 8 moles of oxygen. What is the pressure atmos
2 answers
Q: What is a description water
1 answer
Q: Which bond is the greatest ionic character
1 answer
Q: What is the correct scientific term for a substance that changes colour in this way for litmus
2 answers
Q: Why phenolphthalein used as best indicator against NaOH
1 answer
Q: What does stoichiometry use to relate to moles of one molecule of another
2 answers
Q: What is Hg(No3)2
2 answers
Q: Is paper water-proof
2 answers
Q: What are two changes of states are involved in freeze-drying
2 answers
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