Why is it important for DNA to be duplicated before mitosis

Iron combines with oxygen to form rust. Given the chemical reaction, how many grams of 4Fe + 3O2 would produce 10 kg of rust? A. 7kg B. 10kg c. 30kg D. 70kg

Which compound is a carbohydrate? A) sugar B) water C) olive oil D) amino acid

What is the gasoline doing to our environment?

What are the most common student injuries in the chemistry lab and how can they be prevented

The asteroid belt separates what? A) sun and the stars B) inner and outer planets C) earth and moon D) milky way from other galaxies

Zinc phosphide, Zn3P2, is often used as a rat poison. Phosphorus has 5 valence electrons. How many valence electrons does each zinc atom lose?

Nonrenewable resources are?

Watch the animation, then check off the samples that will conduct electricity. Check all that apply. View Available Hint (s) Check all that apply. NaCl solution Solid NaCl Solid sugar Sugar solution

Burning wood represents a chemical change. True or False?

Why are phosphates in laundry detergent