Chemistry

Consider the reaction where barium sulfate can be prepared from 2.76 mol of sodium sulfate and excess barium acetate. Sodium acetate is the other product1.write the balanced MOLECULAR reaction.2.write the balanced total ionic equation.3.write the balanced net ionic equation.
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A student wants to test for the concentration of food dye FD&C Yellow #5 (Tartrazine) in a yellow Starburst candy. First, the student must prepare standard solutions for the calibration curve. The student has a stock solution of FD&C Yellow #5; the concentration is 0.1140 M. The student takes 6.50mL of the stock solution and dispenses it into a 50.0mL volumetric flask. The flask is then diluted to volume with water. What is the concentration of this standard solution?
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A gas occupies 900 mL at a temperature of 27 C. What is the volume at 132 C?
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Why do scientists use the scientific method?A. It helps them do research that other scientists can understand.B. It helps them ask questions that affect as many people aspossible.C. It helps them make sure a certain question has not been askedbefore.OD. It helps them determine whether an idea is supported by evidence.Help
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explain the electrolysis of MgCl2 in aqueous solution
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Explain in terms of chemical reactivity why the elements in group 18 on the modern periodic table were not identified by Mendeleev's at that time
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What do these white-precipitate reactions have in common? (choose the bestanswer)They all have a chromate (Cro, 2) ion.They all have a chloride ( Cl-1) ion.They all made the same color.They all have a barium (Bat+2) cation
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At the end of seafloor spreading, where does the molten rock solidify?
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Answer the following question in 1-2 complete sentences. What factors can influence the properties of glass, which include its ability to transmit, reflect, or absorb light, or to be transparent?.
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Explain why the total mass of carbon must be decreasing in a different step of the slow carbon cycle based on the increase in atmospheric CO2.
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Using the rule of 8 explain why carbon is the backbone of organic molecules
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Which best describes an element?a pure substancea type of a mixturea pure compoundan impure substance
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1.37x1020 uranium atoms
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what would happen to an object of 2.5g/ml when is placed in 1g/cm3
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what is the name of the compound whose formula is n,i,2o?
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if we cannot see oxegyn, does that mean that fish do not see water?
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A substance that takes the shape and volume of its container is in this phase is called a liquid
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what is an atom plz answer to get 10 points +brainliest
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14. pH value are basic are greater than what number while acids are have a pH less thanthis value?
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what is the oxidation number of sulfur in the sulfate ion?
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What mass of aluminum must react with 100 g of copper (ii) phosphate? (10g)
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Acid hydrolysis of N-methylbutyramide in water and hydrochloric acid with heat produces______________________________.a. Butyric acid and methylammonium chloride.b. Butanoic acid and ammonium chloride.c. Butanoate and methylamine.
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Identify one cause of the loss of forests that is not intentional.
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Symbol of elements.
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