How many blocks are needed to construct two walls that measures 24' long and 10' high if the area of the wall opening is 64 square feet? Round the answer to the nearest whole number.
What will be an ideal response?
468
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If the overall mixture is 80% by mole methanol, will the mixture exist in one phase or two phases in equilibrium at 315 K? If it does phase split, what is the composition of the equilibrium liquid phases?
Consider the methanol + cyclohexane system in the figure.
A. The mixture exists in one liquid phase.
B. The mixture exists in two liquid phases. The composition of the “methanol rich” phase is 80% methanol, while the composition of the “cyclohexane rich” phase is 15% methanol.
C. The mixture exists in two liquid phases. The composition of the “methanol rich” phase is 90% methanol, while the composition of the “cyclohexane rich” phase is 70% methanol
D. The mixture exists in two liquid phases. The composition of the “methanol rich” phase is 70% methanol, while the composition of the “cyclohexane rich” phase is 26% methanol
E. The mixture exists in one vapor phase.
In 2000, according to the USDA Horticulture Crops Summary, $782 million wholesale worth of interior plants were sold
Indicate whether the statement is true or false
Answer the following statement(s) true (T) or false (F)
1.Overhead service conductors are permitted to be attached to trees for support. 2.Outdoor light fixtures are permitted to be attached to trees. 3.A metal underground water pipe in contact with the earth for 10 feet or more is permitted to be the only grounding electrode needed to meet NEC® requirements. 4.The enclosure housing a temporary service entrance disconnecting means must be dust-tight. 5.If a single grounding electrode that is a rod, pipe, or plate does not have resistance to earth of 25 ohms or less, an additional electrode must be installed.
Approximately two-thirds of the global sales for dry product type petfoods in 2002 were for dog and cat foods
A. True B. False