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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: What is the least expensive metal
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Q: A solution of NaOH contains 20g of this compound in 2dm3 of this solution . What is molarity of this solution
4 answers
Q: Lead ii acetate and copper ii sulfate balanced equation
2 answers
Q: What is a simple chemical test to differentiate 2-propanol from acetone
2 answers
Q: The type of bond that will form between this pair of elements Si plus S
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Q: Using the particle theory of matter what is the difference between a pure substance and a mixture
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Q: What is the pH level of Oreo's
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Q: Inferring what could you do to determine whether the gas produced as a result of these reactions is hydrogen
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Q: What would happen if you forgot to put butter in the baking mixture for buns
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Q: What color tube do you use to draw Protein electrophoresis
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Q: What does orange juice do to vinegar
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Q: Why is the electron transfer in an ionic bond never complete
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Q: How is the carbon cycle and example of the law of conservation of mass
2 answers
Q: Aluminum metal and sulfuric acid yield aqueous aluminum sulfate and hydrogen gas
1 answer
Q: The interaction of which two systems provides the molecules needed for the metabolic activity that takes place at ribosomes
1 answer
Q: Is potassium a cation or anion
7 answers
Q: What is the ion symbol for bromine
2 answers
Q: Test in which anticoagulant is added to venous blood sample and the distance cells fall in the tube over time is determind
1 answer
Q: Elements used in radioactive dating
1 answer
Q: Is heptane soluble in water and why
8 answers
Q: How much kg is a pallet of sugar
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Q: Copper(II) nitrate and sodium sulfide
10 answers
Q: During the process of gas loses heat and changes into a liquid.
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Q: Having limits or bonds
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Q: Why is hydrochloric acid soluble in water
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Q: The proper name for SrO is
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Q: Which of the following liquids is hexane most likely to dissolve
3 answers
Q: Describe the atoms involved in a non polar bond
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Q: What is the subsitute for borax
1 answer
Q: Is Au metallic ionic or covalent
4 answers
Q: Diagram ionic bonding for potassium fluoride
1 answer
Q: People are composed of at least 70 percent water. explain why people can be described as mechanical mixtures
1 answer
Q: You want to make a 275.0 mL of a 0.15 M solution of HCl. How many mL of a 6.0 M solution do you need
2 answers
Q: The element fluorine has 9 electrons which is the electron configuration for an atom of fluorine
2 answers
Q: I am a solid substance left after heating coal or petrol
1 answer
Q: What is the name of C6H5COOC2H5
5 answers
Q: Are water bottles made of thermoplastic
1 answer
Q: Names of the five elements with the highest densities
2 answers
Q: How is energy transformed during the carbon cycle
1 answer
Q: Difference between TE and TAE buffer
1 answer
Q: How many elements are in the compound zn(OH)2
5 answers
Q: What happens when carbon dioxide react with oxides of metal
1 answer
Q: State the position of calcium in periodic table
1 answer
Q: How a crystal potassium permanganate in a beaker change colour in water within minutes
1 answer
Q: Why is melted paraffin was allowed to drop a certain height and not just rub over the skin
4 answers
Q: How many moles are contained in 15.8 grams of C6H12O6
2 answers
Q: What temperature should the dialysis fluid be maintained at
1 answer
Q: State one characteristics property of the dialysis tubing and why is this property important
1 answer
Q: An element in a similar period to chlorine would be .
2 answers
Q: Elements in Group VIA (Group 16) have similar properties because they all have .
2 answers
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