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krek1111 [17]
3 years ago
14

1.)

Chemistry
1 answer:
Ugo [173]3 years ago
5 0
Opposing reactions are constantly occurring at equal rates

favoring the formation if fewer miles if gaseous products
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Help me and explain steps
Pachacha [2.7K]

Answer:

<u>2</u> Fe + <u>3</u> H2SO4 —> Fe2(SO4)3 + <u>3</u> H2

I hope I helped you^_^

3 0
2 years ago
The
Vikki [24]

2nd

Explanation:

because i guesses i guess so yeah trust your gut buddy

5 0
2 years ago
The half life of a radioactive element is 2 million years. a mass of rock originally contained 200g of this element. how many gr
julia-pushkina [17]
Every 2 million years the amount is halved
0 million = 200g
2 million = 200g/2 = 100g
4 million = 100g/2 = 50g
8 0
3 years ago
Si 100 monedas tienen una masa total de 226.13g. Cual es la masa de una moneda
galben [10]

The mass of a coin : 2.2613 g

<h3>Further explanation  </h3>

Algebraic expressions in mathematics are a combination of coefficients, numbers, variables, constants and arithmetic operations such as addition, subtraction, multiplication, and division.  

The main composition of algebraic expressions are:  

  • 1. phrases  

algebraic forms separated by arithmetic operations  

consists of one phrase (monomial) to many phrases (polynomial)  

  • 2. variables  

is a value that can be changed, can be in the form of letters, for example, x, y, a, b, etc.  

  • 3. constants  

is a fixed value, can be a number  

  • 4. arithmetic operations ⇒ +, - , : , x

<em>If 100 coins have a total mass of 226.13g. What is the mass of a coin</em>

We can make this statement in the form of an algebraic equation :

100 coins=226.13 g

then the mass of a coin :

\tt \dfrac{1}{100}\times 226.13~g=2.2613~g

5 0
3 years ago
How many grams of CO2 are used when 7 g of oxygen are produced
lara [203]
308 grams of co2 is used
4 0
2 years ago
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