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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: Which two chemicals acted upon by sunlight form ozone in the atmosphere volatile organic compounds and sulfur dioxide volatile organic compounds and nitrogen dioxide chlorofluorocarbons and sulfur dio
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Q: Angelo noticed his lab partner had incorrectly recorded the pressure of a gas in mmHg rather than in atmospheres as their teacher requested. When he corrected the mistake Angelo recorded 751.5 mmHg as
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Q: What protist type is indicated in this picture A. amoeba B. paramecium C. volvox D. euglena
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Q: Identity the state of matter with lowest degree of freedom between the molecules
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Q: What does it mean if a substance is a soluble
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Q: Medieval scientist who tried to turn worthless metal into gold
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Q: What is TWA is the average amount of a chemical a person can be exposed to over an eight hour day
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Q: Crushing a soda can chemical or physical change
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Q: The abilitys of metal to rust is a physical proporty of metals
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Q: What functional group is found in a aldehyde
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Q: What is a octyne
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Q: Does a colloid have smaller particles than a suloution
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Q: Which of the following molecules contains a covalent bond mgO hf hici cn-
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Q: CAn someone balance this equations NaCl plus KNO3 NaCl plus AgNO3 NaOH plus HCl Na2CO3 plus HCl BaCl2 plus H2SO4 CuSO4 plus Zn(NO3)2
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Q: Which state of matter has the greatest distance between the individual particles
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Q: What is the purpose of allowing a solution to stand for 12-24 hrs prior to the filtration operation
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Q: Why is cryolite used in the manufacture of aluminium
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Q: What is the equivalent weight of anhydrous sodium acetate
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Q: 1 m3 LPG gas equal to how much kg
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Q: How is the completeness of separation of the benzoic acid crystals from sodium chloride known with the addition of AgNO3 solution
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Q: What factor cause the difference in the size of crystal formed
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Q: What is the formula of the solid residue remaining after evaporation
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Q: Do the lungs regulate the body's pH balance
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Q: What is Tellerirum as a compound
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Q: WHAT IS THE BALANCED MOLECULAR EQUATION CA2bR2 plus NaCO3
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Q: What changes take place when water is left in an open container in a closed container
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Q: How many atoms are in 63.9g of ammonia
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Q: Give three reasons the actual yield for a product in a reaction is usually lower than the predicted yield
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Q: What is used in lysol
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Q: What color tube is creatinine drawn in
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Q: What tube color for AST or ALT
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Q: Which common mineral fizzes when dilute
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Q: The elements formed after atoms have broken down and reformed are said to be
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Q: What bond does hydrogen and germanium make
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Q: Is ammonia an amphoteric substance
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Q: What is the best description of the end result of chemical bonding most atoms
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Q: Which element has the total number of electrons is equal to the number in chlorine
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Q: How many atoms for each element in 4cacl2
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Q: In the Lewis structure of ch3oh how many lone pairs of electrons
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Q: Suppose you stir sugar into ice water. Some sugar remains on the bottom of the glass. After the glass sits out for an hour you stir it again. What will happen
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Q: What is the control order for respiration
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Q: How is titanium formed
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Q: When hydrogen is attached to a more electromotive element
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Q: If two chlorine atoms were to attract electrons from two calcium atoms the chlorine atoms would become what charged
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Q: The of an acid and a base is determined by how completely they disscociate in water
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Q: How many grams of sodium are in 3 moles of sodium carbonate (Na2CO3) Give your answer to the nearest gram.
2 answers
Q: Malachite specimen a cooled more rapidly than malachite specimen b when it formed what can you predict about the crystals in spicimen a
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Q: The density of water is equal to 1.0gcm3. a substance with density equal to cm would be what in water
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Q: Which is an example of a partty acting as a bonding agent
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Q: A mineral specimen has very large crystals what is the best explanation for how this happend
2 answers
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