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Per ruling, please answer equations #7-9.
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- I. ΤΗ Cl2 FeCl3 j. HNO3 Н2SO4 k. O2N. OCH3 H2CrO4 Δ CI AICI 3Which equation below violates the law of conservation of mass? a. 2H2+ O2 → 2H2O b. KCl + Br → KBr + Cl2 c. 2FE2O3 + 3C → 4Fe + 3CO2 d. Na2CO3 + 2HC1 → 2NaCl+ H2O + CO2 A O D37 38 39 40 41 42 44 45 46 47 48 49 50 51 52 53 54 Sn Sb Rb $5.47 87.62 ss 9191 22 92.9195.94 (98) 101.1 102.9|106 41079112.4|114.8118.7121.S 127.6126.9 1313 Nb Mo Ru Rh Pd Cd In Te Xe 84 55 56 Ba La 57 72 73 74 75 76 77 78 79 80 $1 82 $3 85 86 Ta Pb Po Ir Pt 132 9137.3138 ol178.5|180 9183 9|186.2190 2|192 2|195.1|197.0200.6 204.4 207 2209.0l209l210)l222) Cs Re Os Au Hg TI Bi At Rn 87 Fr Ra Ac 223) 226 (227) Question 11 /17 ميز هذا السؤال What mass of BaCl2.2H2O is needed to prepare 500 mL of 0.0740 M CF solution? 1. 09.04 g 2. 07.31 g 3. 04.52 g 4. 02.98 g Previous Next
- Consider these compounds: A. Zn3(PO4)2 B. Ag₂CO3 C. Ca3(PO4)2 D. Ag₂SO4 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 that barium fluoride is more soluble than and barium fluoride is less soluble than. It is not possible to determine whether barium fluoride is more or less soluble than values. by simply comparing KspTwo or more substances in variable proportions, where the composition is constant throughout are a compound. an element. a heterogeneous mixture. a homogeneous mixture. a crystalline solid.Use the data listed in the supporting materials to calculate the equilibrium constant, Kp, for the synthesis of HCI at 298.15 K. H2(g) + Cl2(g) =2 HCI(g) 4.0 2.47e33 What is the value of Kp if the equilibrium is expressed as below? 1/2 H2(g) + 1/2 Cl2(g) = HCI(g) 4.0
- 1. The ratio of sulfur to oxygen by mass in S02 is 1.0: 1.0.a. Find the ratio of sulfur to oxygen by mass in S03.b. Find the ratio of sulfur to oxygen by mass in S20. 2. The ratio of oxygen to carbon by mass in carbon monoxide is 1.33: 1.00. Find the molecular formula of an oxide of carbon in which the ratio by mass of oxygen to carbon is 2.00:1.00.. C. 5. .. 6. . S. .. .. _H3PO4 + КОН → K+ _B₂O3 → HCI + NaOH → C + S8→ Na + _O₂ → NaOH + _C6H6 + _N₂ +. KOH + HBr → _AI(OH)3 + Rb + Li + _C10H22 + _AI(OH)3 + NHẠCH+ Rb + — RbNO3 → _O₂ → _H₂ → _H₂CO3 → _NH3 + _FeS₂ + CH4 + _CA3(PO4)2 + _O₂ → _H₂O → BALANCING EQUATIONS WORKSHEET CS₂ KBr + _H₂O _H₂CO3 → _Al2(CO3)3 + S8 → O₂ → K₂O + B O₂ → HBr → O₂ → Na₂O _H3PO4 → NH3 _K3PO4 + _H₂O NaCl + _H₂O _CO₂ + _Na₂CO3 + _H₂O RbO₂ + _N₂ CO₂ + SIO₂ + Rb₂S _N₂ + LIOH + _H₂O AlBr3 + _H₂O _H₂O (NH4)3PO4 + _H₂O H₂ _H₂O _Fe₂O3 + _CO₂ + _H₂O C → SO₂ _H₂O CaSiO3 + CO + PConsider these compounds: A. Ba3(PO4)2 B. Ca3(PO4)2 C. PbCrO4 D. CaCrO4 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 that barium sulfite is more soluble than fill in the blank 1, and barium sulfite is less soluble than fill in the blank 2. It is not possible to determine whether barium sulfite is more or less soluble than fill in the blank 3 by simply comparing Ksp values.
- Consider these compounds: A. Ba3(PO4)2 B. Ca3(PO4)2 C. PbCrO4 D. CaCrO4 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 that barium sulfite is more soluble than _________, and barium sulfite is less soluble than ______ It is not possible to determine whether barium sulfite is more or less soluble than _________ by simply comparing Ksp values6. A miner was digging up some ore (rock). The ore contains 84% lead(II) sulfide by mass. How many kilograms of the ore need to be processed to obtain 2.5 kg of lead? Use one long T-square. ore lead (II) sulfide 11+ W 102 54 151454 1284A nutrition table lists apples with a potassium content of 4600 mg/pound. Assume an average apple is 75.0 g, the minimum daily intake for potassium for a healthy adult is 3500. mg per day. Calculate the number of apples per day to meet this requirement for a healthy adult. Assume 454 g = 1 pound. O 7.96 apples per day O 0.126 apples per day O 0.217 apples per day O 4.61 apples per day