CHEMISTRY HIGH SCHOOL

CHEMISTRYWhich of the following properties of an element is least likely to change with beta decay?

A. the mass number
B. the period number
C. the atomic number
D. the name of the element

When a nucleus has too many protons, it can absorb an electron and create _________.

A. a proton
B. a neutron
C. an electron
D. an alpha ray

Which of the following occurs in beta decay?

A. A neutron of an atom emits a high energy proton.
B. A neutron of an atom emits a high energy electron.
C. An electron of an atom emits a high energy proton.
D. A neutron of an atom emits a second high energy neutron.

What kind of ray is given off after electron capture?

A. a beta ray
B. a delta ray
C. an alpha ray
D. a gamma ray

Answers

Answer 1
Answer: number 1.c
number 2.a
number 3.b
number 4.d
Answer 2
Answer:

Answer:

Which of the following occurs in beta decay?

Answer: A neutron of an atom emits a high energy electron.

Explanation:

Via Educere/ Founder's Education

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Chemistry Help:This reaction describes cellular respiration.

C6H12O6 + 6O2 → 6CO2 + 6H2O

Which compounds are the reactants and which are the products?

A.
reactants: C6H12O6 + 6O2

products: 6CO2 + 6H2O

B.
reactants: 6CO2 + 6H2O

products: C6H12O6 + 6O2

C.
reactants: 6CO2 + C6H12O6

products: 6H2O + 6O2

D.
reactants: 6H2O + 6O26CO2 + C6H12O6

products: 6CO2 + C6H12O6

Answers

It's answer A!
Reactants on left (see on the arrow), products on right.

Final answer:

For the given chemical equation illustrating cellular respiration, the reactants comprise glucose (C6H12O6) and oxygen (6O2), and the products are carbon dioxide (6CO2) and water (6H2O). This symbolizes how in living cells, glucose and oxygen are transformed into energy, leading to the release of carbon dioxide and water as byproducts.

Explanation:

In the given chemical equation for cellular respiration, C6H12O6 (glucose) and 6O2 (oxygen) are the reactants and 6CO2 (carbon dioxide) and 6H2O (water) are the products.

This represents the process in living cells where glucose and oxygen are transformed into energy, releasing carbon dioxide and water as byproducts. Therefore, the correct answer is option A: Reactants are C6H12O6 + 6O2 and products are 6CO2 + 6H2O.

Learn more about Cellular Respiration here:

brainly.com/question/32872970

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A molecule has two atoms that are bonded to the central atom and one lone pair of electrons around this central atom. What is the shape of the molecule?bent
linear
trigonal planar
trigonal pyramidal

Answers

Bent, the lone pair on the central atom push away the other atoms and the most stable configuration of the lone pair and two atoms is trogonal planar. But since you cannot see the lone pair, the shape of the three atoms is bent.

Answer:

bent

Explanation:

What is scientific method?

Answers

The scientific method is a method of procedure that has characterized natural science since the 17th century. It is a body of techniques for investigating phenomena, acquiring new knowledge, or correcting and integrating previous knowledge. It has a systematic process of experimenting, observation, hypothesis making, conclusion, etc. 

Plz help me i need to know how to do this!!!

Answers

Equivalent conversions:

1 atm = 760 mm Hg = 101.325 kPa

 

Dalton’s law is presented inthis formula, P = p1 + p2 + … +pn where p1, p2 to pn are the pressures of theindividual gases and the P is the total pressure.

 

Let p1 = CO2, p2 = O2 and p3 =N2

p1 = 125mmHg (1 atm/760 mmHg) =0.1645 atm

p2 = 22 kPa (1 atm/101.325 mmHg)= 0.2171 atm

 

P = p1 + p2 + p3

1.5atm = 0.1645 atm + 0.2171 atm+ p3

p3 = N2 = 1.1184 atm 

Which equation represents the reaction of acetic (ethanoic) acid with water? A. CH3COO- + H2O CH3COOH + OH- B. CH3COOH + H2O CH3COO- + H3O+ C. CH3COO- + H2O CH3COO2- + H3O+ D. CH3COOH + H2O CH3COOH2+ + OH-

Answers

"CH3COOH + H2O CH3COO- + H3O+" is the equation among the choices given in the question represents the reaction of acetic (ethanoic) acid with water. The correct option among all the options that are given in the question is the second option or option "B". I hope that the answer has helped you.

Answer:

B.  CH3COOH + H2O CH3COO- + H3O+

Explanation: hope this helped :)

Which of the following aqueous solutions would have the greatest freezing-point depression?(A) 0.10 m (NH₄)₂SO₄
(B) 0.10 m MnSO₄
(C) 0.10 m NaF
(D) 0.10 m KCI
(E) 0.10 m CH₃OH

Answers

The greatest aqueous freezing point is (D) 0.10 KCI
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