1. Al* and O² - 6. Francium Phosphate- 2. Cs and Po,- 7. Copper (I) Nitride - 3. K and Br- 8. Mercury (I) Phosphide -, 4. Mg2* and c+ 9. Zinc Bromate - 5. Lit and S. 10. Tin (IV) Oxide -

9. How many kilograms of iron can be obtained from 635 pounds of an ore that is 72.0% hematite, Fe,O,?

None

7. The formula for plumbic sulfate isolone a. PbSO4 b. Pb2SO4 c. Pb(SO4)2 d. Pb(SO4)4 e. Pb4SO4 HIRD adqua 8. The products of the following reaction are a. CuS(s) + Mg04(aq) b. MgS(s) + CuO4(s) c. Cu(s) + MgSO4(aq) d. 2 O2(g) + CuMgS(s) e. There will be no reaction. c. 9.10 x 1025 molecules d. 3.01 x 1023 molecules e. 3.98 x 1021 molecules ROS Mg(s) + CuSO4(aq) → 9. How many molecules are in 0.500 g of acetaminophen, C8H9NO₂? a. 1.99 x 1021 molecules. b. 4.55 x 1025 molecules 10. How many H atoms are in 0.625 g of acetaminophen, C8H9NO₂? a. 3.76 x 1023 H atoms b. 3.27 x 1048 H atoms c. 2.49 x 1021 H atoms d. 1.12 x 1053 H atoms e. 2.24 x 1022 H atoms CE Ha 1

A monoatomic anion with two charges contains 36 electrons. It is statements is false? A. Kr B. Ca2+ C. Sr2+ D. O2- E. Se2- choose all that apply  1b.  Consider the reaction, 2 Al + 3 Cu2+ → 2 Al3+ + 3 Cu. The oxidizing agent is, Al Cu2+ Al3+ Cu H2O in which this reaction takes place. 1c.  Which of these formulas is(are) not valid for hexane? A. C6H14 B. C6H6C. C6H16D. CH3CH2CH2CH2CH2CH3 E. CH3(CH2)4CH3

RIAS X * OWLV2 | On X 2 Molecular P Pearson SI X metals peri x A My Home takeCovalentActivity.do?locator%=assignment-take (Review Topics) (References] Use the References to access Important values if needed for this question. a. How many moles of sulfur hexafluoride are present in 2.40 x 1022 molecules of this compound? moles b. How many molecules of sulfur hexafluoride are present in 3.52 moles of this compound? molecules Submit Answer Retry Entire Group 9 more group attempts remaining Show Hint Previous Next 回ヨ *

A. CaSO4 B. Ba3(PO4)2 C. PbS D. Pb3(PO4)2 Complete the following statements by entering the letter(s) corresponding to the correct compound(s). (If more than one compound fits the description, include all the relevant compounds by writing your answer as a string of characters without punctuation, e.g, ABC.) Without doing any calculations it is possible to determine thatcobalt(II) carbonate is more soluble than _______, and cobalt(II) carbonate is less soluble than _______ It is not possible to determine whether cobalt(II) carbonate is more or less soluble than _________ by simply comparing Kspvalues.

[Review Topics] Write the formula for each of the following substances. a. cobaltic carbonate b. cobalt(II) nitrite c. plumbous sulfate d. zinc nitrate Submit Answer Retry Entire Group 9 more group attempts remaining [References]