You gained two pounds while on vacation. Which of the following has changed?

A Only your mass has changed

B Only your weight has changed

C Neither Your Mass nor your weight has changed

D Both Your mass and your weight has changed

Salad is a mixture because the ingredients go well together the ingredients form a pure substance the ingredients are not chemcically combined the ingredients are chemically combined

What is the h concentration in a solution with a ph of 1.25

What type of reaction does this equation represent? 2I4O9 (s) → 4I2 (s) + 9O2 (g)

Which is an element? A. A carbon dioxide molecule B. A copper pipe C. Phosphorous and lithium joined together D. An alloy of copper and iron

What is the volume of the solution that would result by diluting 80.00 ml of 9.13*10-2 m naoh to a concentration of 1.60*10-2 m?

An experimental procedure says to accurately weigh approximately 1 g of substance on analytical balance. Which of the following measurements are consistent with these instructions? Select all that apply. 1.0456 g 1.0 g 0.9811g 1 g 1.01g O 0.99

What type of mixture is 100 ml of water with a little bit of salt?

Which statement explains why meiosis haploid cells rather than diploid cells

Which factors can affect the amount of coco mix that can be dissolved in water? Check all that apply

If 25% of a radioactive element remains after 1,000 years, what is the half-life?