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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: Water would be considered a .
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Q: Is calcium a solid or aqueous
1 answer
Q: What is used to make phosphate fertilizer
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Q: If the products of a reaction are NaCl and H2O what does the law of conservation of mass reveal about the reactants in the reaction
2 answers
Q: What is the definition of Lewis acid
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Q: Fossil fuel combustion increase the acidity of rain because
1 answer
Q: What of the following is necessary to determine the rateof the reaction using the rate law
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Q: According to the rate law how do concentration affect rate
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Q: What is the temperature of distilled at room temperature
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Q: The opposite of reactive is
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Q: How many pi bonds are in HCCH
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Q: How do you remove lacquer from a stone floor
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Q: The process of conversion of wood into coal is called
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Q: What elements does sulphuric acid (H2SO4) contain
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Q: What are the possible hazards of road tankers carrying sulphuric acid
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Q: Why sulphur cannot be used in making pipes
1 answer
Q: What is the definition of the word lacrimation
2 answers
Q: Why do ammonia has higher melting and boiling point than methane
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Q: What is the device that turns chemical energy into electrical energy
1 answer
Q: Why do gummy bears grow in baking soda
1 answer
Q: Within each period in the periodic table elements have similar properties because they have the same number of valence electrons
1 answer
Q: When a campfire rock is split openthe inside has a smooth surface and the grains are tightly packed. Why
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Q: What can you conclude about these two atoms
1 answer
Q: The subscript in a chemical formula refers to the
3 answers
Q: What is the mechanism of the reaction between Wagner's reagent and an alkaloids
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Q: Factory smoke has led to acid rain that lowered the pFactory smoke has led to acid rain that lowered the pH of a lake to 5.0. What is the H plus concentration in the lakeH of a lake to 5.0. What is th
1 answer
Q: The number of atoms for each element in H 2 SO 4
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Q: Sodium has 11 protons and 12 neutrons. What is its isotope notation
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Q: In the reaction Mg(s) plus 2H2O(l) Mg(OH)2(s) plus H2(g) what is the oxidation state of Mg in Mg(s)
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Q: Electrons like barius located toward the bottom of a group have a lower attraction for their valence electrons because they have a what
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Q: The heavier elements in the universe were formed by .
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Q: Which way does water move once it passes through the aeration
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Q: A chemical is spilled in a grassy area. The chemical has been known to kill all bacteria that live in the soil. How will this most likely affect the area
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Q: When A warm soda bottle fizzes when opened is it a physical change or a chemical change
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Q: Chlorine is used to kill bacteria in the water at water treatment plants. This chlorine can be harmful to some ocean species. Based on this information what other step must be taken in the treatment o
1 answer
Q: The cadmium in the control rods slows down a nuclear fission reaction by absorbing neutrons.
1 answer
Q: An acid is a(n) .
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Q: Metal which reacts with acids. it sounds as though you might wash your dishes in it
1 answer
Q: Subscripts can be changed in order to balance a chemical equation.
4 answers
Q: While heating a solution in a beaker what is the appropriate safety equipment to have on the bench
2 answers
Q: Which theory describes the way are arranged within a molecule
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Q: Polyethylene molecules are made of monomers linked head to tail
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Q: A reaction occurs when an acid and base combine.
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Q: A saturated hydrocarbon is an organic compound which contains hydrogen and carbon joined
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Q: A substance that is dissolved in liquid is called What
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Q: What is a quenching gas
3 answers
Q: What elements have the lowest boiling and melting points
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Q: Is hydrogen atom stable and why
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Q: How can an stm help improve daltons theory
2 answers
Q: Power plants release sulfur dioxide and nitrogen oxides into the atmosphere where they combine with water vapor to form precipitation
1 answer
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