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Recent Questions

In **Mathematics** / **Middle School** | 2014-10-30

[Jawaban] Many sewing patterns have a 5/8 inch border for sewing the seam. Is a 5/8 inch border closest to 0, 1/2, or 1 inch? Explain.

In **Chemistry** / **High School** | 2014-10-30

[Jawaban] What is the pH of a solution with a concentration of [tex]2.4 \times 10^{-5}[/tex] molar [tex]H_3O^+[/tex]? Please show or explain the work used to solve this problem.

In **Social Studies** / **High School** | 2014-10-30

[Jawaban] Social Darwinists believed that a. a large empire was the key to economic growth. b. the best country would win any international competition. c. each nation should be made up of only one ethnic group. d. military might was the most important measure of a nation.

In **Physics** / **High School** | 2014-10-30

[Jawaban] When Plutonium-239 undergoes alpha decay, it becomes: A) Curium-241 + an alpha particle B) Uranium-235 + an alpha particle C) Neptunium-237 + an alpha particle D) Plutonium-237 + an alpha particle

In **Chemistry** / **High School** | 2014-10-30

[Jawaban] How much energy is released when 2.65 kg of diethyl ether \((\text{C}_2\text{H}_5)_2\text{O}\) freezes? The heat of fusion for diethyl ether is 7.27 kJ/mol.

In **Geography** / **High School** | 2014-10-30

[Jawaban] Which of the following describes a reason why it is important for humans to protect and maintain water resources? (Choose all that are correct) A. Humans use water to raise livestock for food and other products. B. Humans use some water resources for power generation. C. All humans depend on water for the maintenance of their internal homeostasis. D. Humans use water to grow crops for food and other products.

In **Biology** / **High School** | 2014-10-30

[Jawaban] Which variable in Redi's experiment on spontaneous generation is NOT a controlled variable?

In **Business** / **High School** | 2014-10-30

[Jawaban] The Sherman Antitrust Act imposed limitations upon which group? A. Farmers B. Congress C. Corporations D. Small-business owners

In **Mathematics** / **High School** | 2014-10-30

[Jawaban] Given that: 1 U.S. Dollar = 0.6536 British Pound 1 British Pound = 3.1517 New Zealand Dollars 1 New Zealand Dollar = 0.8262 Australian Dollar Determine how many U.S. Dollars are in 10 Australian Dollars.

In **Physics** / **High School** | 2014-10-30

[Jawaban] If planet A is three times as far from planet C, then the period of its orbit will be __ times as long.