Fires in forests can sometimes be stopped by cutting down trees to make a gap called a for break. Which part of the fire triangle does this remove?

Can someone tell the outcomes of these Steel Wool + Oxygen (Fire) Egg + Heat Water + Heat Zinc + Hydrogen Chloride Sodium Hydroxide + Copper Sulfate

Which of the following compounds would be named with a name that ends in - yne? CH3-CH2-CH3 CH3-CHdouble bondCH-CH3 CHtriple bondC-CH2-CH3 CH3-CH2-CH2-CHdouble bondCH2

Which of the following is NOT an example of a physical change? a. mixing c. grinding b. melting d. decomposing

What is the pH if the pOH is 9 and is it acidic, basic, or neutral

How many protons are in Chlorine

How many of the following elements have 2 unpaired electrons in the ground state? C Te Hf Si A) 1. B) 2. C) 3. D) 4.

Which has a higher frequency, a neutron or electron? Why?

1) Identify the intensive properties of a sample of matter: A. mass B. hardness C. color D. volume E. reflectivity

Suppose you have a buffer containing 0.400 M hydrazine and 0.300 M hydrazinium chloride at equilibrium. Then you add 25.2 g of NaOH to 2.0 L of the buffer. What change in pH is caused by the addition of the base? A) 0.99 B) 0.40 C) 8.71 D) - 0.36

The heart is an example of which level of organization within an organism? O cell organ tissue organ system O O