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Calculate the relative intensities M+1 and M+2 for CH3COOH
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- The composition of a given pure compound is always no matter what the source of the compound.A substance composed of 2 or more elements in a fixed, definite proportion is considered a homogeneous mixture. a heterogeneous mixture. a molecular compound an alloy. a solution.Molecules can be described as O heterogeneous mixtures. O homogeneous mixtures. two or more atoms chemically joined together. mixtures of two or more pure substances. h mixtures of two or more elements that have a specific ratio between components. Attemp 1 Ho 24/7 Po a
- Classify substance as a pure substance or a mixture. If it is a pure substance, classify it as an element or a compound. If it is a mixture, classify it as homogeneous or heterogeneous. ALUMINIUMThe weight percent of silicon in six different rock samples, each containing different amounts of silicon, was measured by two different methods. The results are given in the table. Sample Method A Si wt% | Method B Si wt% 1 11.570 11.540 2 15.380 15.290 3 17.950 17.820 4 22.840 22.810 25.110 25.150 6 27.070 27.020 Determine tcalc.Determine the mass of the product from the following data. Mass Aluminum Foil (g) 2.5415 Mass Filter Paper (g) 0.2777 Mass Filter Paper + Product (g) 35.6484 Mass Product (g) Group of answer choices 35.3708 g 35.3705 g 35.3707 g 35.3709 g 35.3706 g
- Classify substance as a pure substance or a mixture. If it is a pure substance, classify it as an element or a compound. If it is a mixture, classify it as homogeneous or heterogeneous. IRONThe mass of magnesium used in this experiment is critical to determining the moles of hydrogen gas generated. The analytical balances used in Chemistry 1A labs are very sensitive to point that touching materials with your fingers before measuring them can affect the measurements. The balances are sensitive enough to detect dirt and oils from your fingers transferred to the magnesium. Would your experimental value of R increase or decrease if the mass of magnesium measured was artificially high due the touching it with your hands? Increase DecreaseASAP
- Classify substance as a pure substance or a mixture. If it is a pure substance, classify it as an element or a compound. If it is a mixture, classify it as homogeneous or heterogeneous. CARBON DIOXIDEGas chromatography is an analytical technique that is used to separate and analyze samples that can be vaporized without decomposing. The chromatography column contains a substance that helps separate the sample being analyzed. The sample is vaporized and carried through the column by an inert gas. As the mixture moves through the column, the compounds are separated based on how much they interact with the substance in the column. The molecules of each compound are detected as they exit the column, and a peak for each compound is produced on a chromatogram. The area under each peak on the chromatogram is proportional to the concentration of the compound in the sample. A chromatogram produced by separating a mixture of compounds is shown. Time to Go Through Column Based on the information given, which of the following statements about the chromatogram is most likely true? A The three peaks each represent a different element. B The three peaks each represent a different substance used to…Air consists of mainly N₂ and O2, plus CO2 and other impurities. Air is classified as a pure element a homogeneous mixture a heterogeneous mixture an impure element a compound