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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: Hown many atoms does 32 g of sulfur contain
2 answers
Q: Shiny malleable ductile and generally conduct electricity and heat are qualities of these.
2 answers
Q: Name some uses of chlorine and bromine compounds
1 answer
Q: Does hydrogen support combustion
2 answers
Q: What does a balanced equation for the decomposition of Lead oxide look like
1 answer
Q: What is the molarity of a solution when 25.0 g of aluminum sulfite is dissolved in distilled water and made up to 175.0 ml of solution
2 answers
Q: Chemicals can alter the composition of a substance aid in weathering it
2 answers
Q: The splitting of an atom nucleus into smaller nuclei is called
10 answers
Q: Which the of the following is the process of heating water in a container and then trapping the water vapor in a sealed canister
2 answers
Q: Why is acid always added to water and not the reverse
1 answer
Q: How heating is used to get precious metal
1 answer
Q: Is CO32- a covalent polar or nonpolar or ionic bond
5 answers
Q: Is NO2- a polar or nonpolar covalent bond or ionic
3 answers
Q: Is SnF4 a polar or nonpolar covalent bond or ionic
2 answers
Q: Is PCI3 a polar covalent nonpolar covalent or ionic
1 answer
Q: Is PCI3 a non colvalent bond or polarcovalent or ionic
3 answers
Q: A helium-filled balloon contains 0.26 mol He at 101 kPa and a temperature of 21 and degC. What is the volume of the gas in the balloon
2 answers
Q: The change in energy consumption in the US during the past 100 years is due to
2 answers
Q: What is produced when iron combines with oxygen
3 answers
Q: What colour is produced when universal indicator is added to lime juice
2 answers
Q: What colour is produced when universal indicator is added to acetic acid
2 answers
Q: What method is used to separate ammonium chloride and common salt
1 answer
Q: What happens if some farmers use too much as chemical fertilizers to replenish soil fertility
3 answers
Q: Why is The high salt component added during isolation of cytoskeletal components
1 answer
Q: For scooping small amounts of chemicals
1 answer
Q: What is the total ionic equation for magnesium nitrate and sulfuric acid
2 answers
Q: What is the oxidation state of an individual sulfur atom in SO3
1 answer
Q: What safety hazard might occur if a partially filled aerosol can is exposed to excessive heat
1 answer
Q: Will platinum metal react with a lead 2 nitrate solution
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Q: What is the mass number of a sulfur atom with 17 neutrons
2 answers
Q: Burning coal and exhaust from automobiles release carbon into the air is called
1 answer
Q: Albert remembers his teacher stressing that the arrow in a chemical equation does not mean equals. Instead he said the arrow meant
3 answers
Q: What is the ideal gas laws
4 answers
Q: A chemist requires 0.277 mol Na2CO3 for a reaction. How many grams does this correspond to
2 answers
Q: What is the balanced equation for zirconium and nitrogen
1 answer
Q: Ask us anythingWhich of the following contains a nonpolar covalent bond
3 answers
Q: A pattern of strong and weak syllables in averse is called
2 answers
Q: Chlorine is used to kill bacteria in the water at treatment plants. This chlorine can be harmful to some aquatic species. Based on this information what other step must be taken in the treatment of wa
1 answer
Q: What is the electron configuration for si atomic number 14
2 answers
Q: Solubility can be increased by what
4 answers
Q: A cutting flame that has an excess of oxygen
1 answer
Q: Why we use sodium acetate in the osazone test
1 answer
Q: In the reaction A plus B C plus D what are the products
2 answers
Q: What is the molecular formula for the model below A.C6H12 B.C6H14 C.C5H14 D.C5H12
2 answers
Q: Why weighing of bacteriological media during media preparation
1 answer
Q: The benzoate anion is the conjugate base of the benzoic acid. Potassium benzoate forms a basic solution in water so benzoic acid is a
1 answer
Q: A metal oxide reacts with water to produce what
1 answer
Q: What is obtained by interviewing a friend or family member about his or her life
1 answer
Q: Some molecular compounds such as HCl ionize completely in solution. Some molecular compounds such as HC2H3O2 do not ionize completely when they dissolve in water.
2 answers
Q: What volume will 2.50 mole of hydrogen occupy at -20 c and 1.5 ATM
4 answers
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