Answer for Ti-Al Alloys Question

Ti-Al Alloys

Answer for Ti-Al Alloys Question for $3 Only (Instant Download)

Figure 1 displays the phase diagram for Ti-Al alloys (important for the standard commercial alloy Ti- 6% AI-4% V). Depending on the temperature, the stable phase of titanium is either CPH (a) or BCC The phase diagram shows two peritectic reactions, at each of which the liquid reacts with a solid phase to give an intermetallic compound (one of which is referred to as y in the diagram). (wt % Al) 2 4 6810 15 20 30 40 50 60 70 80 90 18001 1700 600 1500 400 1300 1200 100 1000 900 800 Liquid 0 10 20 30 40 50 60 70 80 90 100 Ti Atom % Al Al Figure 1: Phase diagram of Ti-Al alloy 1(a) (4 marks) Give the (approximate) chemical formula for the two intermetallic compounds (including 7) 1(b) (5 marks) How many one-phase fields can you identify? List them, with a brief description. How many two- phase fields can you identify? List them. l(ci (4 marks

For an alloy containing 6% weight Al at 900 °C, how many phases are present? what are their compositions? What are the proportions by weight of each phase? 1(d) (4 marks) For an alloy containing 90% weight Al at 20 °C (extrapolate), how many phases are present? what are their compositions? What are the proportions by weight of each phase?

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Show How You Would Carry Out the Following syntheses

Syntheses

Show How You Would Carry Out the Following syntheses for $3 Only (Instant Download)

Show how you would carry out the following syntheses. You must begin with the indicated chemical(s) and you many use any necessary inorganic or organic reagents. All you reactions must produce the desired products in good yields and in a reasonably pure state. 0 OH CH3

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CHM 1030 General Chemistry I Unit I Problem Solving

CHM 1030 General Chemistry I Unit I Problem Solving for $13 Only
Find the answers to the following problem statements:

1.       Mercury, the only metal that exists as a liquid at room temperature, melts at 234.3 K. Convert this melting point to degrees Celsius.

2.       Mercury has a boiling point of 356.58°C. Convert this temperature to degrees Fahrenheit.

3.       Mercury metal is poured into a graduated cylinder that holds exactly 22.5 mL. The mercury used to fill the cylinder weighs 306.0 g. From this information, calculate the density of mercury, in grams per cubic centimeter.

4.       What is the density of mercury in pounds per cubic inch (lb/in3)? 1 lb = 454g, 1 in= 2.54 cm.

5.        What are some of the physical and chemical properties of Mercury? Mention at least two of each.

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Cite any direct quotes or paraphrases from the article. Use the author’s name, the year of publication and the page number (for quotes) in the in-text citation. Use APA format.

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Chemistry 130

Chemistry 130

Arrange the following elements in order of increasing atomic size, and explain how you know the order: Ca, Rb, S, Si, Ge, F. Do not simply state the trends but rather explain why the trend exists.

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Coal can be Used to Generate Hydrogen Gas

Coal can be Used to Generate Hydrogen Gas 

76. Coal can be used to generate hydrogen gas (a potential fuel) by this endothermic reaction.
C(s) + H2O(g) = CO(g) + H2(g)
If this reaction mixture is at equilibrium, predict the effect (shift right, shift left, or no effect) of the following:
a. adding more C to the reaction mixture
b. adding more H2O(g) to the reaction mixture
c. raising the temperature of the reaction mixture
d. increasing the volume of the reaction mixture
e. adding a catalyst to the reaction mixture

90. Complete the table. Assume that all concentrations are equilibrium concentrations in moles per liter, M.

Compound [Caption] [Anion] Ksp
CdS 3.7 x 10 (-15) 3.7 x 10 (-15) __________
BaF2 _____________ 7.2 x 10 (-3) 1.9 x 10 (-7)
Ag2SO4 2.8 x 10 (-2) ______________ 1.1 x 10 (-5)

Sample Answer:

e) no effect because catalyst just increase speed of reaction not equilibrium

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