Which example involves a phase change in which heat energy is released by the substance

1A, 3B, and 7A are examples of what on the periodic table?

Which property of the water cycle makes it a good illustration of the conservation of matter?

How is an element different than a compound? Give an example of each

For which gases does the ratio of PV to RT equal a constant? A. gases of very low temperature B. real gases C. gases at very high pressure D. ideal gases

Wer for the question. 11. Which of the following is a value of biodiversity? A. Climate change B. Invasive species C. Healthy ecosystems D. Pollution

In an open system, the vapor pressure is equal to the outside air pressure. T or F?

Could acetic acid be used in the esterification, instead of acetyl chloride? Why or why not?

9. In a sample of gas, what causes pressure? Answer in a completesentence.

Sodium (Na) reacts with chlorine gas (Cl2 ) to form sodium chloride (NaCl) as shown in the equation: 2Na + Cl2 → 2NaCl If 4 moles of chlorine gas react, how many moles of sodium will react?

What are transuranium elements properties?