Recent Chemistry Questions
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What is a representative element?
45 min ago - A representative element is an element that adds electrons to...
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What elements form negative to ions?
46 min ago - These elements form negative ions: F- fluoride, O2- oxide, Cl...
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What is the most dangerous element?
46 min ago - Plutonium is the most dangerous element to be handled. Most d...
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What are two physical changes of a candle burning?
47 min ago - The physical changes in the candle is that the wax melts, the...
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Where does the drug cocaine come from?
47 min ago - Cocaine is a white, crystalline alkaloid that is obtained fro...
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48 min ago - Use chlorine to sterilize water. Let water stand until partic...
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48 min ago - The atomic radius of a chemical element is a measure of the s...
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What element is found in proteins but not in nucleic acids?
48 min ago - Sulfur is found in proteins but not in nucleic acids (DNA). T...
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What is the amount of pressure times the volume of a given sample of gas at constant temperature?
48 min ago - Pressure times the volume is a constant for a given gas sampl...
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49 min ago - Enzymes are proteins that catalyze (i.e., increase the rates ...
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How can the parts of a solution be physically separated?
49 min ago - The parts of mixtures can be separated by physical means. Som...
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What is the formula for lithium Sulfide?
51 min ago - The chemical formula for Lithium Sulfide is Li2S. ChaCha!
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What would happen to the carbon cycle if vast areas of forests are cleared?
52 min ago - The carbon cycle would slow down if vast areas of forests wer...
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What is heat capacity in chemistry?
52 min ago - Heat Capacity is the measurable physical quantity that charac...
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What is the balanced chemical equation for cellular respiration?
53 min ago - The balanced chemical equation for cellular respiration is C6...
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Is nitric oxide supplement safe?
53 min ago - In general, it's safe. L-Arginine is the precursor to Nitric ...
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What is the difference between metal and steel?
53 min ago - Steel is a compound and is a metal. Metal is a broad classifi...
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What is the mass of one mole of oxygen-16?
53 min ago - The mass of one mole of oxygen-16 is 16 grams. That is why th...
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What is the formula for force?
53 min ago - The formula is Force = mass * acceleration, the common unit f...
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53 min ago - Empirical formula of an ionic or covalent network solid compo...
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What is a molecule with a single covalent bond?
54 min ago - Chlorine can bond with another Chlorine to have a molecule wi...
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What happens when mixing concrete if you use oil instead of water?
54 min ago - There is no information about anyone trying to mix concrete w...
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What is the abbreviation for sodium?
56 min ago - The chemical symbol for the element sodium is Na. ChaCha-ask ...
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What is the theoretical yield of a reaction?
56 min ago - The theoretical yield of a reaction is the amount of product ...
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What is normal cyanuric acid levels for a pool?
56 min ago - The normal level of cyanuric acid is between 30-50 parts per ...
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What does the combined gas law mean?
57 min ago - The combined gas law is a gas law which combines Charles's la...
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What is the ion name for the element barium?
57 min ago - Atomic #: 56 Atomic Weight: 137.327 Melting Point: 1000 K (72...
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How many moles of carbon are in a 28.0g sample?
58 min ago - The number of moles of carbon = mass/molar mass...number of m...
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What is the balanced chemical equation for photosynthesis?
58 min ago - The equation of photosynthesis is as follows: 6CO2 + 6H2O + E...
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Why is there water in hookahs?
59 min ago - Water cools done the smoke for more comfortable inhalation.In...
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59 min ago - Bromothymol blue is an indicator, a substance that changes co...
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What is the Normal Phase of Zinc?
59 min ago - Zinc is a solid at room temperature. Thanks for using ChaCha!
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What is the mass of 1.50 mol of sodium, NA?
59 min ago - 1.50 mol of sodium has a mass of 34.5 grams. Na has a molecul...
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What is the temperature at which a liquid becomes a solid?
1 hr ago - The freezing point of a liquid depends on what kind of liquid...
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What is the density of water at a temperature of 26?
1 hr 1 min ago - Water at a temperature of 26 degrees C has a density of 0.996...
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What long chains is molecules of dna composed of?
1 hr 1 min ago - DNA consists of two longchains of nucleotides twisted intoa d...
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What are the physical properties of the element zinc?
1 hr 2 min ago - Zinc is a bluish-white, lustrous metal. It is brittle at ordi...
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What is the total number of neon atoms contained in 20.2 grams of neon gas?
1 hr 2 min ago - There are around 600 number of neon atoms contained in 20.2 g...
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What is the chemical name for Mg?
1 hr 2 min ago - Name: Magnesium Symbol: Mg Atomic Number: 12 Atomic Mass: 24....
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What is the sugar/phosphate of dna?
1 hr 2 min ago - The sugar in DNA is 2-deoxyribose, which is a pentose (five-c...
