How do you know if a reaction is exothermic

You added 5.00 mL of 0.40 M NaOH in methanol to 20.00 mL of cooking oil. Calculate the number of moles of vegetable oil, methanol, and NaOH that are initially present in the sample. Assume the density of vegetable oil is 0.

Calculate the pOH of a solution with a pH of 4

How does the process of mountains being formed cause earthquakes?

What role do plants play in the water cycle? cooling condensation precipitation transpiration

What is the role of a strong acid catalyst in an elimination reaction?

What is the mass of a box of nails

In a phase change of water between the liquid and the gas phases, 770.1 kJ of energy was released by the system. What was the product, and how much of it was formed in the phase change? (dа ta: H₂O (l) → H₂O (g) ΔH = 44.01 kJ/mol.) A.

Explain the problem surrounding the ammonia-making process in terms of chemical equilibrium. Chemical equation for producing ammonia: N2 + 3H2 ⇌ 2NH3 + energy

How many Joules are equivalent to 75 Calories?

How do you balance nuclear equations?