11. A material safety data sheet (MSDS) for a chemical is shown below. MSDS H3PO4(aq) Section 9: Physical and Chemical Properties Physical state and appearance: Viscous liquid Odor: Odorless Color: Clear, colorless Boiling point: 158°C Melting point: 21°C Specific gravity: 1.685 at 25°C Which of these is the appropriate name for H3PO4 (aq)? A. Trihydrogen phosphite B. Phosphoric acid C. Phosphorous hydroxide D. Phosphorous acid

11. A material safety data sheet (MSDS) for a chemical is shown below. MSDS H3PO4(aq) Section 9: Physical and Chemical Properties Physical state and appearance: Viscous liquid Odor: Odorless Color: Clear, colorless Boiling point: 158°C Melting point: 21°C Specific gravity: 1.685 at 25°C Which of these is the appropriate name for H3PO4 (aq)? A. Trihydrogen phosphite B. Phosphoric acid C. Phosphorous hydroxide D. Phosphorous acid

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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In Parts 1 and 2, you noticed some patterns about what kind of substances conduct electricity when dissolved in water, and also how melting points are related. Let's test this pattern by applying it to other substances. Consider the following substances: Potassium Chloride: KClKClKCl Octadecanol: C18H38OC_{18}H_{38}OC18H38O Dimethyl Sulfoxide: C2H6OSC_2H_6OSC2H6OS Lithium Bromide: LiBrLiBrLiBr Explain the reasoning that supports your answer.? Use the patterns you saw in the previous sections to predict whether the melting points for each substance will be high (above 400°C) or low (below 200°C).?
elivery/ua/la/launch/49010498/693258326/aHR0cHM6Ly9mMi5hcHAuZWRtZW50dWOuY29tL2xlYXJuZXIvc2Vjb25kYX. er Test - ICP - Chemistry 18 Select the correct answer. Give the name and formula of the compound formed when a Mn²* cation combines with a (PO4)³- anion. O A. manganese phosphate: Mn3(PO4)2 OB. magnesium phosphate: Mn,(PO4)3 OC. manganese sulfate: Mn,(PO4)3 O D. magnesium sulfate: Mn3(PO4)2 O E. manganese oxalate: Mn;(PO4)- Reset Next
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Modern commercial airliners are largely made of aluminum, a light and strong metal. But the fact that aluminum is cheap enough that airplanes can be made out of it is a bit of historical luck. Before the discovery of the Hall-Héroult process in 1886, aluminum was as rare and expensive as gold. What would happen if airplanes had to be made of steel? The fuselage of the Boeing 777, which can carry 305 passengers, is approximately a hollow aluminum cylinder without ends, 64.0 m long, 6.2 m wide, and 2.5 mm thick (see sketch at right). The fuselage of an airplane Suppose this fuselage was made of steel (density 7.87 g/cm³) instead of aluminum (density 2.70 g/cm³), and let's say the average passenger has a mass of 81 kg. We'll also assume the engines can't lift any greater mass than they already do. Calculate the number of passengers that the Boeing 777 could carry if its fuselage was made of steel. X Ś
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A Moving to the next question prevents changes to this answer. Question 2 Calculate AH for the formation of benzoic acid from its constituent elements 7C(s) + 3H2(g) + O₂(g) → C6H5COOH(s) Given: C6H5COOH(s) + 15/2 O2(g) → 7CO2(g) + 3H₂O(l) C(s) + O2(g) - CO₂(g) H2(g) + O2(g) → H₂O(l) Attach File Browse Local Files AH = -771.2 kcal AH-94.05 kcal AH = -68.32 kcal Moving to the next question prevents changes to this answer. (2) (3)
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Identify the type of each of the following reactions. 1. N2(g)+2O2(g)→2NO2(g) -- 2. CaCl2(aq)+2AgNO3(aq)→2AgCl(s)+Ca(NO3)2(aq) -- 3 .CS2(l)+3O2(g)→2SO2(g)+CO2(g) -- 4. H3PO4(aq)+3KOH(aq)→3H2O(l)+K3PO4(aq)-- options for each : --precipitation, acid-base, oxidation-reduction, or no reaction
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Select the single best answer. Consider the steps in coal gasification: C(coal) + H₂O(g) → CO(g) + H2(g) CO(g) + H₂O(g) → CO2(g) + H2(g) CO(g) + 3H2(g) → CH4(g) + H2O(g) AH'rxn = 129.7 kJ AH°rxn = -41 kJ AH'rxn=-206 kJ Identify the overall reaction for the production of methane, CH4.
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Moquie $0 219 OWLV2 keAssignment/takeCovalentActivity.do?locator-assignment-take In the following equation for a chemical reaction, the notation (s), (I), or (g) indicates whether the substance indicated is in the solid, liquid, or gaseous state. 2SO₂(g) + O₂(g) →→→2SO3(g) + energy The reaction is Q Search Identify each of the following as a product or a reactant: SO3(g) SO₂(g) 0₂(g) When the reaction takes place energy is Submit Answer 7 L M te OWLv2 | Online teaching and X * Use the References to access important values if needed for this question. Retry Entire Group K CO 144 www.yo up 8 more group attempts remaining L 11 b Answered: For the reaction 2 x + 111 P g P¹ ins prt sc. delete Previous backspace ^ GG 4 home GURN lock 7 home A 6:52 PM 5/14/2023 74 X In