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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: Why do we put vinegar in chips instead of hydrochloric acid
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Q: To minimize the extent to which outcome differences between experimental and control groups can be attributed to placebo effects researchers make use of
1 answer
Q: 5. How do isotopes differ from one another and from the element atoms on the periodic table
3 answers
Q: Which elements in MgO HF LiCl CN molecules contains a covalent bond
1 answer
Q: What bond is present in NaBr
1 answer
Q: Who invented enoxaparin
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Q: Who invented lovenox
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Q: N2O4 is what
3 answers
Q: What two type of bonds do water molecules form
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Q: Is galvanized metal ferrous
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Q: What is the ionic compound formed between AL and O
1 answer
Q: A compound formed of 0.059 mol hydrogen and 0.94 mol oxygen has a molecular mass of 34.0 g per mole. What is the molecular formula of this compound
3 answers
Q: Why do cavities need to filled
2 answers
Q: What is luciferin controlled by
1 answer
Q: What element of a written work best determines if the work is sarcastic or not
2 answers
Q: An acid base will always produce water and which one of the following
2 answers
Q: The discipline of chemistry has made agricultural chemicals such as fertilizer and pesticides available to society. Which is a negative effect of these chemicals on society
2 answers
Q: Identify the products in the reaction HCl plus NaOH NaCl plus H2
1 answer
Q: Moving substances from a lower concentration to a higher concentration requires . passive diffusion facilitated diffusion active transport pinocytosis
1 answer
Q: A solution should be in order to prevent water gain or water loss in a cell. hypotonic hypertonic isotonic
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Q: What is the chemical name of Na2S2O4
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Q: Chemical formula of propylene glycol
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Q: What does cxr blood test stand for
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Q: Baking SODA and water to passs UA
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Q: Is a stingray sting acid or alkali
1 answer
Q: Using the pH scale what numbers indicate an acid What numbers indicate a base
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Q: While performing chores Maria noticed that she would get shocked each time she touched her washing machine. Which of the following statements is not a reasonable explanation for what could have been h
2 answers
Q: In the nitrogen cyclebacteria fix nitrogen from the atmosphere to form
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Q: How many acid tabs makes you insane
2 answers
Q: What is the difference between a closed system and open system chemical reactions
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Q: What species is reduced in the reaction Fe plus AgNO3 Fe(NO3)3 plus Ag
4 answers
Q: An element is made up of only one kind of what
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Q: What is the name of the ionic compound NiCO3
1 answer
Q: Liquid water and ice are the same substance h20 how would you
2 answers
Q: A small piece or part of something like a piece of glass is called what
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Q: Identify three common solutions used in the kitchen. list the solutes and solvents found in each one.
2 answers
Q: What is the mass number or neon
1 answer
Q: An engineer chooses to use a natural adhesive for a building project instead of a heavy duty chemical that releases harmful fumes this is a example of
2 answers
Q: Which is an in found in glass of water
2 answers
Q: What is the arrangement of the first 20 elements in the periodic table
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Q: You are trying to calibrate a celsius thermometer. when you place the thermometer into a beaker of boiling water what should the thermometer read
1 answer
Q: What is the balanced equation for the combustion of magnesium
1 answer
Q: How much would the boiling point of water increase if 4 mol of sugar were added to 1 kg of water if Kb for water is 0.51 degC kg per mol for water and i is 1 for sugar
3 answers
Q: What is the most common metals in the world
9 answers
Q: Can phosphorus rust
1 answer
Q: There are six elements that make up most of the human body. Which of the following is not one of these six elements
2 answers
Q: Atoms join up in fractional numbers to form molecules true or false
3 answers
Q: A base has more what kind of ions than does a neutral solution
1 answer
Q: What does the subscript 2 show in this chemical equation
1 answer
Q: When wood is burned in a closed container its mass does not change is that observation or law
2 answers
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