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Using sio2-al2o3 phase diagram , with pt a at 2000c, and pt b 1600c above the line, and pt c 1560 below the line, pt d 1400 c or for that matter any tem below 1400 c
1) Outline the microstructure diagram for each point
2) Find out the phase present at each point
3) Find out the compositions of each phase at each point
4) Find out the weight of each phase at each pt if you start at 2000 c pt A , and 20 wt% Al2O3 with 100 kg of sio2-al2o3 mixture.
Titanium (IV) chloride, TiCl4, can be used to produce titania by the sol-gel method. What mass of ceramic can theoretically be produced from 59g of TiCl4
Consider the following initial rate data (at 295 K) for the decomposition of a substrate (substrate 1) which decomposes to product 1 and product 2
If 157 of wet is collected over water at 24 degrees C and a barometric pressure of 737 Torr , how many grams of Zn have been consumed? (The vapor pressure of water is 22.38 Torr)
In each reaction box, place the best reagent and conditions from the list below. (A reagent may be used more than once.) acetylene to 3-hexyne-1-ol
Consider the two gases, NO and CO2. Ten grams of each are placed in balloons at STP. Which of the following is an accurate comparison?:
The bacteria Azotobacter chroococcum grows aerobically and plays an important role in the soil nitrogen cycle. Azo can bind atmospheric nitrogen which is inaccessible to plants then release ammonia ions into the soil that plants can absorb
You have a sample of a white crystalline substance from your kitchen. You know that it is either salt or sugar. Although you could decide by taste, suggest another property that you could use to decide.
In the following buffer system, what happens to the concentration of the highlighted molecule if you add base in the form of OH-. HF + NaF + H2O F- + H3O+ + Na+
considering the given chemical reaction as nh3g cl2g rarr nh2clg hclg compute the deltah for this reaction and
draw an orbital picture for acetylene C2H2 label each bond type and indicate type of orbitals involved in each bond.
A sample of chlorine gas is confined in a 8.4 L container at 287 torr and 27°C. How many moles of gas are present in the sample
The half-life of U-235 , an alpha emitter, is 7.1x10^8yr. Calculate the number of alpha particles emitted by 5.1mg of this nuclide in 3.0 minute.
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