subject
Chemistry, 05.02.2020 03:57 AutumnJoy12

Cosmic microwave background radiation found uniformly spread throughout the universe is supposed to be

a. a heat imprint from the big crunch

b. radio waves from distant galaxies

c. proof that the universe is expanding

d. a heat or energy imprint from the big bang

ansver
Answers: 3

Another question on Chemistry

question
Chemistry, 22.06.2019 06:00
Oxidation-reduction reactions (often called "redox" for short) are reactions that involve the transfer of electrons from one species to another. oxidation states, or oxidation numbers, allow chemists to keep track of these electron transfers. in general, one element will lose electrons (oxidation), with the result that it will increase in oxidation number, and another element will gain electrons (reduction), thereby decreasing in oxidation number. the species that is oxidized is called the reducing agent or reductant. the species that is reduced is called the oxidizing agent or oxidant. to sum up: oxidation = increase in oxidation state = loss of electrons = reducing agent reduction = decrease in oxidation state = gain of electrons = oxidizing agent part a which element is oxidized in this reaction? fe2o3+3co→2fe+3co2 enter the elemental symbol. view available hint(s) is oxidized part b which element is reduced in this reaction? 2hcl+2kmno4+3h2c2o4→6co2+2mno2+2kcl+4h2o enter the elemental symbol. view available hint(s) is reduced
Answers: 1
question
Chemistry, 22.06.2019 11:00
Iron (3) oxide will decompose in the presence of hydrogen gas and heater to produced iron and digydrogen monoxide white a balanced chemical equation
Answers: 1
question
Chemistry, 22.06.2019 17:30
What type of organic molecule comprises the majority of a potato?
Answers: 1
question
Chemistry, 23.06.2019 01:00
Na chemical reaction, activation energy increases the of the reactants. this outcome causes the particles to collide, which results in the of new products.
Answers: 2
You know the right answer?
Cosmic microwave background radiation found uniformly spread throughout the universe is supposed to...
Questions
question
Mathematics, 18.09.2019 12:50
Questions on the website: 13722367