Oxalic acid is a poisonous solid. It gives a yellow precipitate when treated with NH4OH and CaCl2. * O A B C O O

Explain if it is possible to combine different types of mass analyzer.

A TH E U. CompouIa. O carbon monoxide O sulfur O aluminum chloride mercury O bismuth O methane c. Heterogeneous mixture: O mixture of potassium dichromate and iron filings O mixture of water and sulfurie acid O mixture of water and sodium chloride O mixture of nitrogen and oxygen O mixture of sand and chalk O milk d. Homogeneous mixture: O mixture of potassium dichromate and iron filings Omixture of water and sulfuric acid Omixture of water and sodium chloride O mixture of nitrogen and oxygen O mixture of sand and chalk O milk

Chrome File Edit View History Bookmarks People Tab Window Help * 30% (4) Sat 2:00 PM Q OE o Chem101 O General Chemistry I (LAB SCI) X + i app.101edu.co EApps MM Gmail YouTube 9 Maps A Translate https://www.carth. 9 Google Chrome isn't your default browser Set as default Question 7 of 7 Submit Using the equations 2 Sr(s) + O2 (g) → 2 Sro (s) AH° = -1184 kJ/mol CO2 (g) → C (s) + O2 (g) AH° = 394 kJ/mol kJ/mol Determine the enthalpy for the reaction C(s) + 2 SrO(s) → CO2 (g) + 2 Sr(s). 1 2 6 C 03.0 Se VHFORMA The MO -Standa 8 AH ma +/- x 100 8T國山電@ O etv Oct 24 MacBook Air 80 888 SC FS F6 F3 F2 %23 2$ & delete 3 5 8. W E R Y U H J к K ret F V M 4-

If X and Y are quantities that are related to each other by inverse proportion, what will the value of X become when the value of Y is increased by a factor of five? Select one: a. It will also increase by a factor of 5. b. It will decrease by a factor of 5. c. It will stay the same. d. There is no way to tell.

2.A student is trying to determine the volume of a flask and compare it to the known volume. After performing the measurements 10 times, the student calculates an RSD of 2 ppt, with a percent error of 24%. Which of the following statements about the results are correct?   A. The line fits the points on the calibration curve well.   B. The results are precise and accurate.   C. The results are accurate, but not precise.   D. The results are precise, but not accurate.   E The results are neither accurate nor precise.

tributi X Normal Distributi X ample Work rmat Tools Extensions Help locument/d/1KWoB0hrXolu7UEKbq4f8LBMHfpjHBRVU3qUzVI7K80U/edit Saved to Drive Normal text I 2022-2023 Mr. R X - I ▼ | Calibri 1 16 11. Which quantity is used to define 1 atomic mass unit? 3 100 Copy of Chern B x I UA 4 5 hp 4/27 - Unit 5.mp4 X particles. 12. How many molecules are there in 2 g of water (H₂O)? HINT: Molar mass of water is 18 g/mol Pathway: mass → moles → molecules E Did You Know? The word mole represents a specific number of objects, 6.022 × 10²¹ , just as the word dozen represents a specific number of objects, 12. The molar mass is the mass of a substance that contains 6.022 × 10²¹ DC Normal DE VE E 127 64°F Mos

Question 26 (3 points) The number of copper atoms present in 2.35 ng of copper wire equal. Question 27 (3 points) V Saved (0.5pts each) Give an example of a. Homogeneous mixture b. A nonmetal that exists as liquid c. A nonmetal that exists as a single atom d. An alkali earth metal e. Heterogeneous mixture f. A metal that exists as a liquid at room temperature. Paragraph 、三 ,山 > I a. Sea water b. Bromine (Br) c. Helium (He) d. Calcium (Ca) e. Salt and pepper

If this piece of blue litmus paper is placed in that acid solution,then this piece of blue litmus paper will turn red.which of the following is true of this conditional statement: A. The antecedent is "this piece of blue litmus paper will turn red." B. This statement is false. C. This statement cannot serve as a premise in an argument. D. This statement cannot be the conclusion of an argument.

22.9 mol Hg Express your answer using three significant figures. ΑΣφ N Submit Request Answer Part D 0.280 mol Na Express your answer using three significant figures. ΑΣΦ %3D