What are the first ten elements of the periodic table?

Choose the correct equation to represent the following statement (unbalanced chemical equation) : ethane reacts with oxygen to yield carbon dioxide and liquid water. a. c2h6 ( g. o2 ( g. co2 (l) h2o ( g. b. c2h6 ( g. o2 ( g. co2 ( g. h2o (l) c.

Never mind i got it hahahaha

How would a food web be affected if a species disappeared an ecosystem

How many asteroids were discovered between 1800 and 1840? A. 4 B. 10 C. 23

Which phrase accurately describes what living organisms strive for? A. Fluctuating internal temperatures B. Continuous change within system parts C. No response to different external conditions D. Stable internal enviroment

Compared with a ph of 7, a solution of ph 5 has what times/fraction of the hydrogen concentration?

Write a formulae equation to represent the combustion of carbon to form carbon dioxide and the thermal decomposition of magnesium carbonate

A5.00 liter ballon of gas at 25 degree Celsius is cool to 0 degrees Celsius. What is the volume (liters) of the ballon?

How much thermal energy (q) is required to heat 15.2 g of a metal (specific heat = 0.397 J/G) from 21.0 degrees C to 40.3 degree C

Two gas jars are connected to each other, but they are separated by a closed valve. One gas jar contains oxygen, and the other is empty. What will happen when the valve is opened?