What concentration of ethanol is the most effective bactericide?

Which of the following is accurate about heat absorption and loss? Sea water absorbs and loses heat faster than land. Sea water absorbs heat faster than land, and land loses heat faster than sea water.

If a compound is separated into separate parts does the substance remain the same substance

Which of the following is an adaptation found in many desert plants? A. large, flat leaves B. dormant period during the winter C. fuzzy growth on leaves D. wide-spreading, shallow roots

What is the hardness of tellurium

A student made two solutions - solution A and solution B. Solution A contained 5 g of copper sulfate in 50 cm3 of water. Solution B contains 10 g of copper sulfate in 100 cm3 of water. The student added solution B to solution A.

In order to use the value 22.4 L for molar volume in a mass-volume or volume-mass stoichiometry problem, the gas must be assumed to be at STP. A. True B. False

The gravitational attraction between two objects would increase if both masses are

If the pH indicator bromothymol blue was added to the nitric acid solution, it's colour would be?

The specific heat of copper is 0.385 j/g°c which equation would you use

Which list includes three types of chemical formulas for organic compounds? 1. covalent, metallic, isotopic 2. covalent, metallic, molecular 3. empirical, structural, isotopic 4. empirical, structural, molecular