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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: What is the oxidation state of N in NH4 plus
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Q: A protein channel in a hydrogen ion pump is shown below
2 answers
Q: How can you increase the boiling point of water apex
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Q: Copper (I) sulfide (Cu2S) electron dot diagram
4 answers
Q: Most substances become less dense as the temperature increases. Which substance is an exception to this rule
1 answer
Q: Cuales fases del ciclo del agua favorecen la eliminacion de sustancias que la contaminan
1 answer
Q: How many valence electrons surround the carbon atom in CO2
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Q: What is f is h20 for water
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Q: If you have 100 grams of water and you add 15g of salt and 15 grams of sand what is the total mass of the beaker and its contents
11 answers
Q: Atoms combine when .
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Q: Compare and contrast ions with isotopes.
1 answer
Q: What molecules form proteins when linked togehter with covalent bonds
1 answer
Q: Carbon atom is tetravalent in nature. How many hydrogen atoms can bind to one carbon atom
2 answers
Q: What Bonds are between lipids
1 answer
Q: Is lithium a maoi
2 answers
Q: Use the electronegativity chart to determine the type of bond that will form between this pair of elements. As plus Al
1 answer
Q: Use the electronegativity chart to determine the type of bond that will form between this pair of elements. N plus N
1 answer
Q: What approximate mass would a sample of naturally occurring boron (B) that contains 1 and times 106 atoms of boron have
1 answer
Q: How much is .3ml in a 1.875 syringe
1 answer
Q: How much is .3ml in a 1.875ml syringe
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Q: Give a reaction mechanism for iodoform reaction using propanone
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Q: An element in a similar period chlorine would be
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Q: Explain using sample equationthe application of benedicts tollens and fehlings test in hospital
1 answer
Q: Gas stored in a tank at 273 K has a pressure of 388 kPa. The safe limit for the pressure is 825 kPa. At what temperature will the gas reach this pressure
2 answers
Q: Which list pairs each element in table salt NaCl with the correct charge of its ion
1 answer
Q: Why is cotton with saline solution and not with alcohol or acetone to remove the blood satin
2 answers
Q: Why is it important for a dance to have a strong ending and a strong beginning
1 answer
Q: Why do beads of water appear on a can of soft drink after you take it out of the fridge
1 answer
Q: In osmosis water diffuses from
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Q: Universal Biohazard Symbol
2 answers
Q: How do you know when nitroglycerin tablets have lost their potency
1 answer
Q: Is drying clothes in a dryer an endothermic or exothermic
1 answer
Q: Is boiling of water am endothermic or exothermic
6 answers
Q: What element forms an ion with an electronic configuration of Kr and -2 charge
4 answers
Q: What are 3 phases states of matter and give an example
1 answer
Q: Is Mg3P2 ionic or covalent
4 answers
Q: How do you make purple out of different colors
2 answers
Q: What effects created by techniques used to achieve each look
2 answers
Q: How do molecules of food rearrange when they react with oxygen in the cells of your body
1 answer
Q: Is Hydrochloric Acid combustible
1 answer
Q: What process changes gas into a liquid
7 answers
Q: Iodine mixed with citric acid
1 answer
Q: Which sublevels contain valence electrons in an atom of argon (Ar)
2 answers
Q: Describe how the properties of iron sulfide are different then iron sulfur
1 answer
Q: Processes that increase the density of seawater include evaporation and .
1 answer
Q: Why is lava yellow and orange
1 answer
Q: Carbon can only form ionic compounds true or false
1 answer
Q: A(n) bond forms when two atoms share one or more pairs of electrons.
2 answers
Q: Which compound will form by the joining of Ca and Br
1 answer
Q: Is atomic bomb a chemical energy
1 answer
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