Calculate the enthalpy of combustion, δh∘comb, for c6h14. you'll first need to determine the balanced chemical equation for the combustion of c6h14. express your answer to four significant figures and include the appropriate units.

How do the atomic radius and metallic properties of sodium compare to the atomic radius and metallic properties of phosphorus? (1) Sodium has a larger atomic radius and is more metallic. (2) Sodium has a larger atomic radius and is less metallic.

Which best describes how sediment forms?

Aqueous hydrochloric acid (HCl) reacts with solid sodium hydroxide (NaOH) to produce aqueous sodium chloride (NaCl) and liquid water (H2O). If 9.17g of water is produced from the reaction of 21.1g of hydrochloric acid and 43.

A total of 1 mol iron oxide has a mass of

Question 17 What do you call the mixture that forms when salt is dissolved in water?

Why must model sometimes be changed

Identify the properties of magma that causes it to be forced upward towards earth surfaces

An atom has a mass number of 53 and an atomic number of 26. How many neutrons does it have? Include a formula that explains your calculation.

To determine the molar mass of a protein, a 0.891 g sample of it is added to 5.00 g of water and the osmotic pressure is measured as 0.179 atm at 22.0°C, what is the molar mas of the protein? (The protein is non-ionizing)

How many grams of lithium are needed to produce 45.0 grams of lithium nitride, according to the following process? 6 Li (s) + N2 (g) → 2 Li2N (s)