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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: Is 2H2O-2H2 plus O2 a redox reaction
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Q: Is plastic an acid
3 answers
Q: What form of carbon is extremely hard and is one of the few materials that can scratch glass
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Q: What charge would tungsten ion with 68 electrons have
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Q: The simple substances of matter are called
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Q: How many grams of NH3 can be produced from the reaction of 17.8 moles of H2 and a sufficient supply of N2 N2 plus 3 H2 and rarr 2 NH3
8 answers
Q: How much water in grams can be made from 1.95 and times 1024 hydrogen molecules Answer in units of g.
4 answers
Q: 2hcl plus ca(oh)2 oxidizing agent
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Q: What forms when covalant bonds form
4 answers
Q: How many sigma and pi are in c14h10
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Q: Plants counteract the greenhouse effect by removing what during photosynthesis.
1 answer
Q: The element fluorine has 9 electrons. Which is the electron configuration for an atom of fluorine
5 answers
Q: The quantum mechanical model of the atom
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Q: What solutes are electrolytes
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Q: Compared to pure silver a silver alloy called sterling silver is .
2 answers
Q: What is the name of the covalent compound N10O4
6 answers
Q: 985 grams of ethyl acetate equals how many liters
1 answer
Q: Ask us anythingUse the reaction I2(s) I2(g) H 62.4 kJmol S 0.145 kJ(molK) for question 10. What can be said about the reaction at 500 K
2 answers
Q: How many moles of HF are needed to react with 0.220 mol of Na2SiO3
8 answers
Q: Enzymes are catalysts. This means that they are able to speed up chemical reactions. Which of the following statements is also true of enzyme catalysts
7 answers
Q: What is significance of an electronegativity difference of 1.7 between 2 atoms
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Q: Colored chemical compounds that capture light energy are called .
1 answer
Q: What is the separation method of sulfur sodium chloride
1 answer
Q: Ask us anythingWhich of the following indicates an endothermic reaction
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Q: Write a balanced equation to show the reaction of aqueous aluminum acetate with aqueous ammonium phosphate to form solid aluminum phosphate and aqueous ammonium acetate.
1 answer
Q: . Osmosis is the diffusion of water across a selectively permeable membrane in which water moves from a solution containing a low concentration of solute to what kind of solution
2 answers
Q: 10. Hydrogen peroxide is a substance that is produced as a byproduct of many cell processes. However hydrogen peroxide is toxic to cells. In fact if cells are unable to break down hydrogen peroxide th
1 answer
Q: Primary minerals of phosphorus
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Q: Is decomposition of water into hydrogen and oxygen a chemical process
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Q: How does the pH value of shampoo and conditioning products used affects the hair structure
1 answer
Q: Giving balance equation state how you will convert methane to carbon dioxide
2 answers
Q: Which of the following are major elements of a high quality life apex
3 answers
Q: What is a sentence with Glisten
3 answers
Q: Ionic bonds are strong enough to cause almost all ionic compounds to be what at room temperature
1 answer
Q: It tomatoes acidic or basic
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Q: What is a material that holds electrons tightly
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Q: Which groups participate in ionic bonding
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Q: What fills air spaces displaces water and provides a barries against corrosive elements
1 answer
Q: What is the difference of aliphatic and aromatic hydrocarbons
1 answer
Q: How chemical potential energy works
1 answer
Q: If butter solidifies the process is called
1 answer
Q: Is pH14 an acid a base or neutral
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Q: A scientist wants to determine the effect of a new type of gasoline. He fills one car with normal gasoline and another identical car with the new gasoline. Which is the control group A. The amount of
1 answer
Q: How much water does ammonia have
1 answer
Q: What is the mass number of an ion with 109 electrons 159 neutrons and a plus 1 charge
8 answers
Q: Cl- and O2- chemical formula
2 answers
Q: Approximately how many moles are in 300 grams of sulfur
3 answers
Q: During a change in state energy is transferred in the form of .
2 answers
Q: How many valence electrons does alkaline earth metal have
2 answers
Q: How do you decontaminate vesicants from casualties
1 answer
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