Blog

In Experiment 1: Chemical and Physical Properties and Changes, we performed the following experiment: 10 grams of salt was dissolved in 20 mL of water in a small beaker. The beaker was placed on a hot plate and heated to boiling. When all was boiled off, a crusty white precipitate remained.   (a) The salt dissolving in the water was what type of change? [physical1] (b) The water boiling off was what type of change? [physical2]    

(A) Write the balanced chemical equation for the reaction of carbon dioxide with water.  (B) Write the balanced chemical equation for the reaction of calcium oxide with water. 

Which of the following is considered an irregular object? 

What is the name of the IUS athletic teams?

What is true about a concrete sectional outer burial container?

If a metal vault is galvanized, what has it been coated with during manufacturing?

Match the following descriptions with the appropriate endocrine gland.  In males, follicle-stimulating hormone (FSH) prods these organs to produce testosterone.

Match the following descriptions with the appropriate endocrine gland.  Identify the gland that produces and releases melatonin.

Match the following descriptions with the appropriate endocrine gland.  Identify the gland that stores hormones produced by the hypothalamus.

Where are sensations integrated with memories of past experiences?