Sixty-three joules of heat are added to a closed system. The initial internal energy of the system is 58 J, and the final internal energy is 93 J. How much work is being done by the system? 28 J 30 J 88 J 151 J

A molecule that moves across a cell membrane without using the cell's energy tends to move A. away from the area of equilibrium. B. away from the area where it is less concentrated. C. away from the area where it is more concentrated. D.

Deep currents circulate seawater around the globe due to differences in the density of water at different locations. Two factors that can alter the density of water are salinitymarine lifespecific heat and windtemperatureEarth's rotation.

In order for heat to be transferred by conduction, what has to happen

A 50 g sample of an unknown metal is heated to 90.0C. It is placed in a perfectly insulated container along with 100 g of water at an initial temperature of 20C. After a short time, the temperature of both the metal and water become equal at 25C.

What happens when you drink water that was in the car heated then you drink it. Make sure to explain your answer to make you as the brainliest.

In what way would a digital thermometer be preferable to those from a liquid-based thermometer? Digital thermometer readings are easier to use when performing calculations.

Why does the core of the sun contain more helium and less hydrogen than the surface of the sun?

What happens to a light ray passing through the center of a lens?

A spider crawling across a table leaps onto a magazine blocking its path. The initial velocity of the spider is 0.870 m/s at an angle of 35.0° above the table, and it lands on the magazine 0.0770s after leaving the table. Ignore air resistance.

A force of 5 N accelerates an object. The object's mass is 50 g. What is the acceleration of the object? (Formula: F=ma)