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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 babr ionic or covalent
1 answer
Q: Which combination describes the flame color of the compound when heated
2 answers
Q: How do you carry heavy loads in baking
1 answer
Q: What is boulder the paper towel made out
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Q: Sucrose is burned to produce carbon dioxide and water. what is the balanced equation
2 answers
Q: Do Substance in a mixture keep their own properties
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Q: What molecule is a source of energy and energy storage
1 answer
Q: What to do if you spill iron filings in your house
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Q: What is the CONJUGATE BASE OF CO32-
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Q: Is laundry detergent heterogeneous
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Q: What does it mean for a substance to be reduced
3 answers
Q: What are the things that do change or are intentionally made different in an experiment
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Q: Dr. West mixes zinc (Zn) and hydrochloric acid (HCl) together in his laboratory. The two chemicals react to form hydrogen gas (H2) and zinc chloride (ZnCl2). Which of the following are products in the
1 answer
Q: Look at the chemical equation above. The subscript 4 in the reactants indicates that
1 answer
Q: Iron reacts with oxygen in the air to make rust. Which of the chemical equations matches the reaction above
1 answer
Q: Can you solidify candle wax after it melts
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Q: Why hydrogen is called elementary gas
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Q: 2 iodohexane with sodium methoixde
1 answer
Q: Metal that is below halfway in the reactivity series - but if you read the name differently it sounds as though its out in front
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Q: What metals bursts into flames when in contact with water
2 answers
Q: Roundup an herbicide manufactured by Monsanto has the formula C3H8NO5P. How many moles of molecules are there in a 348.2-g sample of Roundup
2 answers
Q: How many grams of potassium are in 24.1 g of K2Cr2O7
4 answers
Q: NaHCO3 is the active ingredient in baking soda. How many grams of oxygen are in 0.53 g of NaHCO3
2 answers
Q: How many moles of hydrogen sulfide are contained in a 64.6-g sample of this gas
5 answers
Q: If I put hydrogen peroxide on my hand and after it dries I licked my hand is this bad
2 answers
Q: What is occur when acids and bases are mixed together
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Q: What happens when Nitric acid is added to lead (II) carbonate by crystallisation
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Q: Can you remove gold plated necklace remove gold
2 answers
Q: How long does Nitrate poisoning last and how long will it be before my body is free of Ammonium Nitrate from skin contact with ANFO
2 answers
Q: Are most metals solid at room tempertaure
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Q: How do you make carbon nanotube
2 answers
Q: What are the solutions that are most used for IV PB dilution
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Q: Water to gas is called
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Q: What is the Contingency formulation
1 answer
Q: What is investment phase cleavage phase and energy liberation phase
1 answer
Q: Why doesn't tar flow easily
1 answer
Q: Oxidation value of I in CaI2
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Q: What is a biological catalyst that lowers the activation energy of reaction in cells
4 answers
Q: Liquid hexane reacts with gaseous oxygen gas to produce carbon dioxide and gaseous water. What is the theoretical yield of carbon dioxide formed by the reaction of 54.3g of hexane and 78.5g of oxygen
3 answers
Q: What do all electrolytes have in common
2 answers
Q: Why does the glue stick
1 answer
Q: Why does covalent bonding occurs only in non metals
1 answer
Q: Word equation for the reaction that takes place when a sparkler is lit
2 answers
Q: When is a buffer solution most effective
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Q: What can be used as a buffer for pH 12-13
2 answers
Q: What are three common buffer systems
2 answers
Q: Why is thiopental much better absorbed from the stomach than barbital when both have similar pKa values
2 answers
Q: Why are weak acids better absorbed in the small intestine than the stomach despite their high degree of ionization
2 answers
Q: Elements that have an intermediate number of valence electrons will behave more like metals if they are
1 answer
Q: What substance changes from a gas to a liquid
2 answers
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