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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 is it important for water to changes temperature slowly
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Q: In the most producer hazardous waste is produce this hazardous waste is usually burned which can release hazardous chemicals like mercury into the air how could technology be best used to solve this p
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Q: What melts ice faster salt cat litter or sand
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Q: What does precipitation do in extracting the sucrose from sugar cane
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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
3 answers
Q: What is the molar mass of methane CH
1 answer
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
9 answers
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
2 answers
Q: Will sodium sulfate react with aluminum
1 answer
Q: If the difference in electronegativity values between two atoms is less than 0.4
1 answer
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
5 answers
Q: How does the movement of water molecules change when water goes from ice to liquid
7 answers
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
5 answers
Q: Why the reaction between magnesium and acid goes faster when the temperature is raised
3 answers
Q: What are the raw materials produced by mines
1 answer
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
4 answers
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
2 answers
Q: Is the correct electron configuration for La (lanthanum) A. Kr6s25d1 B. Rn6s25d1 C. Cs6s25d1 D. Xe6s25d1
2 answers
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
3 answers
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
1 answer
Q: What does it take to transmute graphite into diamonds
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Q: What colour is the iodine in the bottle
1 answer
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
2 answers
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