A gas hot water heater is 65% efficient. The energy output to heat the water is 2.3 kWh.

Round each answer to the nearest tenth.

The energy input is

kWh.

Therefore,

kWh are lost to the surroundings.

What nuclear reaction is the energy source of a white dwarf?

Which of the following best summarizes the relationship between dehydration reactions and hydrolysis? -Dehydration reactions can occur only after hydrolysis.

How far away is Earth from the Sun? a. 93 miles b. 93 thousand miles c. 93 million miles d. 93 billion miles

Most applications will ask you to provide all of the following information except: A. how long you want to work for the establishment. B. days and hours that you are available to work. C. the date you can start work. D. your desired salary or wage.

For a two-level system, the weight of a given energy distribution can be expressed in terms of the number of systems, N, and the number of systems occupying the excited state, n1. What is the expression for weight in terms of these quantities

Will make Brainlest! <3 Metals are considered to be good conductors of heat. How do the specific heat values indicate this?

Which example identifies a change in motion that produces acceleration? choices are: 1. a speed skater moving at a constant speed on a straight track 2. a ball moving at a constant speed around a circular track 3.

Which of the following diagnostic procedures uses ultrasound?

Why is it easier to read black text on a white background than to read green text of any light color?

If object A has more mass than object B, does object A contain more matter? Explain.