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WITCHER [35]
2 years ago
5

Given the balanced equation representing a

Chemistry
1 answer:
fredd [130]2 years ago
5 0

From the coefficients of the equation, we see that for every 4 moles of aluminum consumed, 3 moles of oxygen are consumed.

So, the answer is (12/4)(3) = 9 moles.

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What solutes are soluble in water?
marusya05 [52]

Answer:

Ionic compounds, such as sodium chloride, are also highly soluble in water. Because water molecules are polar, they interact with the sodium and chloride ions. In general, polar solvents dissolve polar solutes, and nonpolar solvents dissolve nonpolar solutes.

Explanation:

5 0
3 years ago
¿Cuál de las siguientes NO es una característica de los ácidos?
Serga [27]

Answer: B

Explanation: La respuesta es b porque su electricidad y no es un ácido.

4 0
3 years ago
A student measures the length and mass of an object records the link is 45.2 cm convert distance measurement to the correct SI b
VladimirAG [237]

As per the International System of Units is a form of metric system in which distance is expressed in meters.

The given distance is 45.2 cm

Convert centimeter (cm) to SI base unit (meter)

One hundred centimeters is equivalent to one meter

I.e. 100 cm = 1 m

Therefore, the given distance of 45.2 cm =  

= 45.2 cm * 1 m/100 cm = 0.452 m

Thus, the correct SI base unit for 45.2 cm = 0.452 m

4 0
3 years ago
Help me on this science question.
mel-nik [20]
The answer is Amarillo
6 0
3 years ago
Rolls of foil are 302 mm wide and 0.018 mm thick. (The density of foil is 2.7 g/cm3 .)
Kruka [31]

Answer:

The length of foil will be 8107.81 cm or 81.7081 m.

Explanation:

Given data:

Width of roll of foil = 302 mm

Height or thickness = 0.018 mm

Density of foil = 2.7 g/cm³

Mass of foil = 1.19 Kg

Length of foil = ?

Solution:

d = m/ v

v = length (l) × width (w) × height (h)

First of we will convert the Kg into gram and mm into cm.

one Kg = 1000 g

1.19 × 1000 = 1190 g

one cm = 10 mm

302 / 10 = 30.2 cm

0.018 / 10 =  0.0018 cm

Now we will put the values in formula:

d = m/ l× h× w

l = m / d × h× w

l = 1190 g / 2.7 g/cm³× 30.2 cm × 0.0018 cm

l = 1190 g/ 0.146772 g/cm

l = 8107.81 cm or 81.7081 m

3 0
3 years ago
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