How do you find the density of copper

How many valence electrons does a nitrogen atom have?

Carbon disulfide burns in oxygen to yield carbon dioxide and sulfur dioxide according to the chemical equation cs2 (ℓ) + 3 o2 (g) - → co2 (g) + 2 so2 (g). if 1.25 mol of cs2 is combined with 0.57 mol of o2, identify the limiting reactant.

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I will give brainliest! Which branch of chemistry deals with the mass relationships of elements in compounds and the mass relationshops among reactants and products in chemical reactions?

Calculate the empirical for the molecular formula mass and the molar mass of each of the following minerals: (a) Limestone, CaCO3 (b) halite, NaCl (c) beryl, Be3Al2Si6O18 (d) malachite, Cu2 (OH) 2CO3 (e) turquoise, CuAl6 (PO4) 4 (OH) 8 (H2O) 4

Which statement best describes the conductivity of weak electrolytes, such as weak acids and bases? A) Weak electrolytes do not dissolve in water and can not conduct electricity.

Two speakers are placed side by side and are described as having constructive interference. How do you know when constructive interference of sound waves has occurred?

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The structural level of a protein least affected by a disruption in hydrogen bonding is the

If 4.50 mol of ethane, C2H6, undergo combustion according to the unbalanced equation C2H6 + O2 CO2 + H20, how many moles of oxygen are required?