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Ostrovityanka [42]
3 years ago
12

What is the transfer of heat by direct contact - occurs when the particles in a material collide with neighboring particles?

Chemistry
1 answer:
nignag [31]3 years ago
8 0

Answer:

Conduction

Explanation:

<h2>Hope I helped you:)</h2>
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3 years ago
La etiqueta de una bebida transparente con un ligero toque anaranjado indica que contiene aga con un 15 porciento de zumo de nar
Brilliant_brown [7]

<u>Respuesta:</u>

16 gramos de vitamina C y 8 gramos de colorantes.

Explanation:

Debemos multiplicar el porcentaje de cada componente por la cantidad total (100 %) de zumo.

800 g de zumo = 100%

- Tenemos un 2 porciento (2 en 100 o 2/100) de vitamina C. Por lo tanto, la cantidad en gramos de vitamina C es:

2/100 x 800 g = 16 g

- Tenemos un 1 porciento de colorantes en el zumo (1/100). Por lo tanto, la cantidad en gramos de colorantes es:

1/100 x 800 g = 8 g

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2 years ago
Calculate number of moles in 86.4 g of Ni
Ira Lisetskai [31]
Number of moles = mass of Ni /molecular mass of Ni

mass of nickel = 86.4 g
molecular mass of nickel = 58.69
number of moles of Ni in 86.4 g
=86.4/58.69
=1.472 mol  
(rounded to four significant figures instead of three because the first digit of the answer starts with a 1).
4 0
3 years ago
Do you think it is a good idea for all scientists to use the same periodic table of elements? Why or why not?
postnew [5]
Yes because what other else can a scientist have
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2 years ago
How many moles of oxygen are prosent in 169 of oxygen gas?​
slamgirl [31]

Answer:

Number of moles=Mass/ Molar Mass 169g÷32g/mol= 5.281 mol

6 0
2 years ago
Read 2 more answers
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