How to tell if a reaction is endothermic or exothermic by looking at it?

To preserve natural resources, which of the following should be recycled?

What is a 17 letter word that when light rays hit a rough surface and bounce back at different angles

Which sample of matter has particles arranged in a crystalline structure?

What is the difference between alcoholic fermentation and lactic acid fermentation?

An unknown substance weighing 42.0g was heated from 36.0°C to 65.0°C. In this process, the substance absorbed 5895 J of energy. What is the specific heat of the substance?

What is the element Ar classified as in the periodic table?

Two objects, one heavy and one light, travel at one of two speeds. Which will have the most inertia?

Which statements correctly describe water boiling in a pot? Air bubbles from the atmosphere are being absorbed. The water's internal kinetic energy is increasing. The water is gaining internal potential energy. The water's temperature is increasing.

Biofuel is any fuel that is produced from living or once living matter in a short period of time, days, weeks, or even months.

How are revolution and year related