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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: The amount of heat needed to increase the temperature of one kilogram of substance by 1 and degc
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Q: In hydrochloric acid the hydrogen atom orients itself as far away as possible from
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Q: In hydrochloric acid the hydrogen atom orients itself
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Q: During a change is state energy is transferred in the form of
2 answers
Q: Is sulfur dioxide more soluble in hot or cold water
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Q: What are some examples of ionic solids
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Q: What is the foundation for Dalton law
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Q: What is the weight of 1 soda tab
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Q: What does ammonium sulfide and iron 2 nitrate yield
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Q: Ask us pair of atoms will form an ionic bond
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Q: Which is a product in the following chemical reaction CH 4 plus 2O 2 and rarr CO 2 plus 2H 2 O
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Q: How gas behavior affect backpackers at high altitudes
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Q: Students hypothesized that adding to a sixth test tube would produce the greatest amount of carbon dioxide
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Q: How does an indicator helps distinguish between and acid or base
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Q: What terms refers to matter that is made up of only one kind of matter
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Q: Mixtures cannot be separated true or false
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Q: Name one way lactic acid fermentation and alcohol fermentation are different.
1 answer
Q: Of the following the group that contains elements that are the most reactive is the
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Q: The modern periodic table elements are arranged
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Q: Can you use phosphate to make explosives
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Q: Air is primarily composed of
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Q: Carbon 12 and carbon 14 are examples of
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Q: Which is a compound that contains carbon Ca NaCl C CH4
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Q: Just like CDs bonds reach at which point the amount paid for the bond is returned to the bondholder
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Q: How should a good emulsifying agent behave
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Q: Does the concentration of an acid or base refer to the presence of H3O plus ions in solution
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Q: Is a scale that measures the acidity or basicity of a solution along a range of zero to 14.
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Q: The strength of an acid and a is determined by how completely they dissociate in water.
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Q: A base is a substance that forms hydrogen ions in a water solution.
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Q: Which chemical family has elements with 6 valence electrons
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Q: A one gram sample of hematite takes up more space than a one gram sample of malachite what mineral is this
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Q: How many grams of sodium are in 3 moles of sodium carbonate (Na and Euml and AtildeCO and Euml and Auml) Give your answer to the nearest gram.
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Q: Pink tube would be sent to what section of the lab
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Q: This term indicates that a problem is asking how much of a product will be made by a reaction.
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Q: What tube does a lytes panel go into
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Q: Why are Resistors are made up of German silver
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Q: Mixing Zinc with Lithium
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Q: What technique is best for matching evidence left at a crime scene with a suspect nasal swab
2 answers
Q: Periodicity is best defined as
2 answers
Q: Based upon location in the periodic table the formula for beryllium (Be) chloride (Cl) is Be2Cl Be2Cl3 BeCl2 Be3Cl4
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Q: How do you separate gold mercury and lead
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Q: The change that takes place when two or more substances interact to form new substances is called a reaction.
7 answers
Q: What is the molecular formula of the compound CH2 with molar mass 168 gmo
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Q: How many protons would you expect to find in neutral nitrogen atom
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Q: What includes the elements of the insurgency that conduct covert or clandestine activities especially in counterinsurgent occupied areas.
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Q: Is the sea a solid liquid or gas
1 answer
Q: Isotopes have the same number of but different numbers of
5 answers
Q: The oxidation no of c in HCN and HNC IS
1 answer
Q: Is Mgo a compound or element
6 answers
Q: Does beryllium nitride have covalent bond
2 answers
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