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Problem- The components listed on the label of a typical box of salt are sodium chloride, sodium silicoaluminate, sodium Thiosulfate, and potassium iodide. On the basis of its ingredients, would you conclude that table salt is a substance or mixture? Explain your answer.
What is the basic difference between a physical change and a chemical change?
Classify the following as either chemical or physical changes
(a) Iron melting
(b) Cider changing to vinegar
(c) Gasoline evaporating
(d) Steam condensing
(e) Wood burning
Any expert will able to provide correct answer for the above question
What is the balanced education and stoichiometric reagents needed with mole calculations of 1 sodium hydroxide pellet(0.075 to 0.095 g) and 0.24 g acetophenone and 0.11 g benzaldehyde
A hydrated form of copper sulfate (CuSO4·x H2O) is heated to drive off all the water. If we start with 9.47 g of hydrated salt and have 5.29 g of anhydrous CuSO4
Question- Part a) how can atp be synthesized from phosphoenolpyruvate and adp, but generally not from glycerol-3-phosphate or glucose-6-phosphate and ADP
a compound of carbon and hydrogen was burned in air to produce carbon dioxide and water. the number of moles of carbon
Draw the structural formula & identify the types of bonds in each of the following organic compounds: C5H8 & C4H6
A water sample is analyzed for a pollutant by the standard addition method . four solutions are prepared,each with a 10.00 ml aliquot of the water sample and varying amounts of a 10 ppm standard solutions of the pollutant
a 1.00 l vessel at o c contains 0.19 mol h2 and 1.9 mol ch4. calculate the pressure of gas mixtureand the partial
A gaseous reaction occurs at a constant pressure of 45.0 atm and releases 57.1 kJ of heat. Before the reaction, the volume of the system was 9.00 L . After the reaction, the volume of the system was 2.60 L.
What are the steps involved in making a lewis structure of a molecule where there is either too few or too many electrons present?
separation of acetone from water by using mibk.a stream containing 30 wt acetone and the balance water is to be
In the Bohr model of the atom, are the electron in shells closer to the nucleus higher of lower in energy than electrons in shells father for the nucleus
If the stove supplies 357 J/s as well as no heat is lost to the surroundings, how long does it take for the water to boil. Presume that room temperature is 17.2 oC. The specific heat of copper is Cp = 0.385 J/g•°C.
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