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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: How would the freezing point of water decrease if 4 mol of NaCl were added to 1kg of water
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Q: What is the name of the main compound in rust
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Q: What is the percent composition of nitrogen in NH 3
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Q: What is the oxidation number F negative 1
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Q: What is the percentage of Fe in iron ammonium sulfate hexahydrate
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Q: What is the molar mass of methane CH
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Q: What is formed as rainwater reacts to carbon dioxide in the soil
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Q: How many hydrogen atoms are in one molecule of the compound C12H22O11
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Q: Can you soak dentures in baking soda over night
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Q: What Two elements are found together in a substance
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Q: What is one or two letters called that represent an element
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Q: Will sodium sulfate react with aluminum
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Q: If the difference in electronegativity values between two atoms is less than 0.4
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Q: What type of energy does a caterpillar eats a leaf it can convert the chemical energy
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Q: What type of bond is Na and F
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Q: How does the movement of water molecules change when water goes from ice to liquid
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Q: What kind of luster does fools gold have
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Q: What process requires water to gain 2260 joules energy per gram
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Q: What should be the rang of temperature of flue gas at outlet of air preheated
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Q: Why HF has a higher boiling point than HBr
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Q: Why ethanol has a higher boiling point than dimethyl ether
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Q: How does changing the amount of one substance affect a mixture identity and compounds identity
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Q: Why the reaction between magnesium and acid goes faster when the temperature is raised
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Q: What are the raw materials produced by mines
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Q: Is hair gel a acid or alkalie
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Q: What colour will you get if you mix yellow with grey
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Q: If you need to reverse the following reaction and multiply it by 2 in order for it to be an intermediate reaction in a Hess's law problem what would be the final value for the enthalpy of reaction yo
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Q: Is sulfur in pink glass
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Q: What element in the 5th period is not a transition metal
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Q: How many atoms of potassium make up 3 moles
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Q: Is Rb3(PO3) covalent or ionic
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Q: Is mn3n2 covalent of ionic
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Q: How many atoms in phosphoric acid
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Q: What is the significance of an electronegativity of 1.7 between 2 atoms
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Q: Is the correct electron configuration for La (lanthanum) A. Kr6s25d1 B. Rn6s25d1 C. Cs6s25d1 D. Xe6s25d1
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Q: When water is added to a strong acid or base the acid or base becomes less dilute
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Q: How do you ensure that an experiment is a fair test chem
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Q: What type of bond does carbon dioxide have
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Q: What information does the second quantum number of an electrons give
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Q: What is Removing physical dirt of food residue from a surface Is
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Q: How many molecules are in 1 gram of carbon dioxcide
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Q: What does it take to transmute graphite into diamonds
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Q: What colour is the iodine in the bottle
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Q: What is soap aims
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Q: What is the name of the Cu plus ion
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Q: Is Tin is ferrous or non ferrous
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Q: What is the different between NN and N2 in chemistry
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Q: Is obtaining lime from limestone exothermic
8 answers
Q: How long does contact adhesive take to dry
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