kbartolome50p4zvsh kbartolome50p4zvsh

03-03-2018
Advanced Placement (AP)

contestada

How much energy is produced when the sun converts 2.8 kg of mass into energy? Answer in units of J

Respuesta :

200987581 200987581

03-03-2018

A helium4 atom has 2 protons and 2 neutrons. Its mass is 6.645 * 10^-27 kg. The mass of 4 hydrogen atoms is 6.693 * 10^-27 kg. Subtract the helium atoms mass from the 4 hydrogen and you get 0.048 * 10^-27 kg.

Answer Link

Otras preguntas

What is HDI? What factors influence the HDI of a country the most?

Arsenic is often obtained by heating the ore arsenopyrite, FeAsS. The decomposition of FeAsS is represented by the balanced equation below. FeAsS(s) ==heat==>

how to say wrong in french

What is the principal part of the underlined verb in the sentence? We made it in only one week. A. past participle B. past C. present participle D. present

When an Arrhenius acid dissolves in water, the only positive ion in the solution is (1) H+ (3) Na+ (2) Li+ (4) K+

As magma cools and crystallizes, minerals form in predictable patterns in a process known as A) fractional crystallization B) partial melting C) intrusion D) B

What is the chemical formula for zinc carbonate?(1) ZnCO3 (2) Zn(CO3)2 (3) Zn2CO3 (4) Zn3CO3

how did the constitution address the issue of citizenship?

20 is 80% of what number?

What is HDI? What factors influence the HDI of a country the most?