What is the study of matter called?

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A. Chemistry

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B. Philosophy

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C. Biology

D. Physics

Which characteristic is shared by all arthropods. A. Jointed legs B. endoskelent C. Gills or D. calcified hard shell

The molar heats of fusion and sublimation of lead are 4.77 and 182.8 kj/mol, respectively. estimate the molar heat of vaporization of molten lead.

If 4520 kj of heat is needed to boil a sample of water, what is the mass of water

Enter your answer in the provided box. For the simple decomposition reaction AB (g) → A (g) + B (g) rate = k[AB]2 and k = 0.20 L/mol·s. If the initial concentration of AB is 1.50 M, what is [AB] after 10.3 s?

The following unbalanced equation illustrates the overall reaction by which the body utilizes glucose to produce energy: C6H12O6 (s) + O2 (g) → CO2 (g) + H2O (l) What is the conversion factor that allows for the calculation of moles of carbon

Solid lead IV oxide decomposes into solid lead and oxygen gas.

Ab2 has a molar solubility of 3.72*10-4 m. what is the value of the solubility product constant for ab2? express your answer numerically.

Thermal decomposition of sodium azide (NaN₃) into nitrogen gas and sodium metal is used to inflate car airbags. The reaction proceeds by the following chemical reaction. 2NaN₃ (s) ⟶3N₂ (g) + 2Na (s) How many grams of NaN₃ are need to inflate a 10.

Is salt water acidic, basic or neutral

The process of gathering knowledge about the natural world