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STatiana [176]
3 years ago
9

English schoolteacher who proposed the atomic theory model of matte

Chemistry
2 answers:
Evgesh-ka [11]3 years ago
7 0
John Dalton was an English chemist, physicist, and meteorologist. Dalton was one of the first scientists to discover that all matter is made up of atoms and he formulated the atomic theory. Dalton; John Dalton was the first to suggest the mass of one atom of hydrogen as the atomic mass unit.
Lyrx [107]3 years ago
3 0

Answer:

John Dalton

Explanation:

hope it helps

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Tutorial Service is considered as what type of product?
MissTica

Answer:

A tutorial, in education, is a method of transferring knowledge and may be used as a part of a learning process. More interactive and specific than a book or a lecture, a tutorial seeks to teach by example and supply the information to complete a certain task.

3 0
3 years ago
A. How many real solutions does the equation 0.2x^5-2x^3+1.8x+k=0 have when k = 0?
jeyben [28]
<span>a. 5.
b. 3.
c. yes, for example, 10.
d. no.</span>
3 0
4 years ago
Read 2 more answers
Which of the following is a property of metals?
bezimeni [28]
I don’t know if ur Answer is correct you have a lot of O. But the answer would be : They are shiny and bend without breaking.
5 0
3 years ago
You are pushing a box with 20 N of force that has<br> a mass of 10 kg, solve for acceleration
insens350 [35]

Answer:

Force=mass ×acceleration.

20=10×acceleration.

20=10a.

a=2m/s^2.

4 0
4 years ago
Use the law of conservation of mass to answer the questions. Consider a hypothetical reaction in which A and B are reactants and
shutvik [7]

Answer:

26 grams of D will be produced.

Explanation:

The reaction is given by:

A + B ----->  C + D

Mass of A reacted = 21 g

Mass of B reacted = 22 g

Mass of C formed = 17 g

Mass of D formed = m =?

According to law of conservation of mass, the total mass of the reactants used is equal to the total mass of the product formed.

Then:

mass of A reacted + mass of B reacted = mass of C formed + mass of D formed

21 + 22 = 17 + m

m = 26 g

5 0
4 years ago
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