Describe a way to separate iron filings from sand.

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C6 H12 O6 (aq) is a (an) ? Select one: a. dissolved molecule b. dilute solution c. ion in a crystal d. ion in solution

What does air have to do with light refraction?

2 Which particle has a mass of approximately 1 atomic mass unit? (1) an alpha particle (3) an electron (2) a beta particle (4) a neutron

Does anyone here live in South Carolina and go to k12?

The enthalpies of formation of the compounds in the combustion of methane, , are CH4 (g) : Hf = - 74.6 kJ/mol; CO2 (g) : Hf = - 393.5 kJ/mol; and H2 O (g) : Hf = - 241.82 kJ/mol. How much heat is released by the combustion of 2 mol of methane? Use.

What are some reasons why the research should be put through a peer-review process?

Which of the following examples is a compound containing an ionic bond? A. O2 B. H2O C. CaO D. CH4

How many moles of a gas will occupy 2.50L at STP

Which has more kinetic energy, a small sports car traveling at 30 km/hr or a large tractor-trailer traveling at 75 km/hr?

A Lay's potato chip weighing 4.03g is put into a bomb calorimeter containing 895.5g of water at 25.10°C. If this increases the temperature of the surrounding water to 48.89°C, what is the amount of calories per serving if 1 serving = 28.38g.