What are some of the problems with forensic evidence and its use in the courtroom? Identify at least three problems and write at least one paragraph for each of the problems.

Which kind of bonds are found in a sample

A 45.0 g block of an unknown metal is heated in a hot water bath to 100.0°c. when the block is placed in an insulated vessel containing 130.0 g of water at 25.0°c, the final temperature is 28.0°c. determine the specific heat of the unknown metal.

3. A train travels at a speed of 80 mph. How far does the train travel in 2 hrs and 42 minutes? HINT: Distance (S) - velocity (V) x time (T) A. 160 m B. 216 mi C. 240 mi D. 280 mi

How many moles of KBr will be produced from 7 moles of BaBry? BaBr2 + K2SO4 → KBr + BaSO4

The rate of entropy production and hence the amount of lost work will Group of answer choices a) none of the above increase as the irreversibility increases for a process. b) decrease as the irreversibility increases for a process.

What term is used to describe a testable modle

When the equation for the combustion of ethane, C2H6, is correctly balanced, the coefficient on oxygen is:

Sahil watched a demonstration in which a scientist combined two substances in a sealed container and analyzed the results. the ending substances did not look the same as the starting substances.

How many molecules of H2S are required to form 79.0 g of sulfur

How many grams of potassium iodide, KI, are required to make 2.0 L of a 0.1M solution