2. In a polyblend, of PVC with a Tg of 80 °C, and PTFE with a Tg of 115 °C, how much % PTFE is needed for a polyblend Tg = 92.7 °C ?

8. Pay attention to the lipbalm formula of aloe vera extract (Aloe vera.L): Glycerin 5% Cera flava 10% Nipagin 0.18% Lanolin 15% Oleum cacao ad 100% Aloe vera extract 10% The preservative in the formula is .... A. aloe vera extractB. cera flavaC. nipaginD. oleum cacao

Suppose you have a soil that is made up of 10% organic matter with CEC = 200 cmol/kg, 40% kaolinitewith CEC = 10 cmol/kg, and 50% vermiculite with CEC = 100 cmol/kg.1- Calculate the overall CEC of the soil by taking a weighted average of the three soil components.2- What percentage of the overall CEC is contributed by the organic matter? How does that numbercompare to the 10% of the soil itself that is organic?

12.What should we use a) to measure 5.50 g of CuSO4·5H2O: ______________________ b) To dry CuSO4 over silica gel and prevent it from absorbing water:

Why is GSC not used nearly as extensively as GLC?

I need the answer as soon as possible

20. How does the operator control digestion time in an aerobic digester? 1. By controlling degree of sludge thickening before digestionmoon als sis and 2. By measuring out the amount of polymer added how 3. By automatically controlling when the tank s and closes through valves and the SCADA system opens 4. By controlling sludge blanket depth and thickness

If the cells were spread out into a thin layer that was a single cell thick, what would be the total surface area ( in square meters) for the top side of the cell layer ? Be sure your answer has the correct number of significant digits? ……m^2pls help me

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An ore sample contains 11% impurity in additon to a mix of CuS and Cu2S. Heating 100g of the mix produces 75.4g of copper metal with a purity of 89.5%. What is weight 5 of CuS and Cu2S in the ore?