John weighs 115 kg. Sally weighs 115 lb. Who is heavier of the two?

11. Many metals are described as ductile, which means they can be O mixed with other metals to form alloys O hammered into a shape O drawn into a wire O broken apart with a sharp blow

Intrusive igneous rock forms in magma or lava on the Earth's surface as it cools. true or false

What is the formula for the simplest stable compound formed between fluorine and nitrogen?

What is emitted from most manufactured building materials and furniture?

Why is green light cool

Describe a way to separate iron filings from sand.

Why does static friction work best in dry weather?

For an alloy containing 50% cu and 50% ni, calculate the amounts of solid s and liquid l presents at 1300c. show that the total nickel content in the solid and liquid phases adds up to 50%. (5')

Why science can answer some questions, but not others

Calculate the theoretical yield of ammonia produced by the reaction of 100g of H2 gas and 200g of N2 gas