Use the reaction that occours when magnesium burns in oxygen to show how a reaction might be included in more than one category of reaction

If you had 70 g of zinc and 70 grams of sulfuric acid. What would the maximum product you could obtain?

What happens when a pure substance undergoes a chemical change

If a planet rotates 360 degrees during a 24 hour time period, what does that tell us about the planet? A. The middle of the planet is in darkness B. The seasons on the planet vary every day. C. The planet runs on a 12-hour time clock. D.

What is the name of the element that has an atomic number of 8?

Which of the following are physical properties of matter A. size, shape, and color B. phase of matter and temperature C. density, solubility, and hardness D. all of these

What is the mass, volume, density, and substance for Block C:

Which factors affect electronegativity? A. Number of electrons and atomic radius B. Number of unshielded electrons and density of the element C. Atomic radius and number of unshielded protons D. Density of the element and atomic radius

What is the difference between an amide and an amine? And what is a substituted amide?

Balance the following chemical equation: / text{CH}_ 4 + CH 4 + start text, C, H, end text, start subscript, 4, end subscript, plus / text{O}_ 2 / rightarrow 2 →start text, O, end text, start subscript, 2, end subscript, right arrow / text{CO}_2 +

How did the invention of the spectroscope in 1859 change the science of chemistry