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gizmo_the_mogwai [7]

2 years ago

11

Smartphone batteries contain a casing that surrounds it that is made up out of aluminium. What would best describe the propertie

s of aluminium that enables it to be used for such purposes?

1 answer:

Vladimir79 [104]2 years ago

6 0

Answer:

it contains the electricity of the battery

Explanation:

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Calculate the molarity of a solution prepared by dissolving 5.850g of solid NaCl in enough water to make 200mL of the solution?

Y_Kistochka [10]

See the attachment below. Thanks :)

6 0

3 years ago

Arrange the following elements in order from least to greatest electronegativity:<br> Ca, F, Ne, Fe?

Burka [1]

Answer:

The electronegativity from order of least to highest is:

Ne, Ca, Fe, F

Explanation:

Elements in the periodic table have been arranged based on their level of electronegativity (which is the ability of an atom to attract electrons).

According to Paulings scale of rating elements based on their electronegativity, the electronegativity value of Fe, Ca, Ne, and F are 1.83, 1, 0 and 3.98 respectively.

Hence, based on Pauling scale, the order of electronegativity from least to highest is:

Ne > Ca > Fe > F

6 0

3 years ago

What is the principle feature of a metallic bond?

Kobotan [32]

Electrons are free to move throughout metal substance, shared throughout so electricity and heat are conducted well

4 0

3 years ago

Read 2 more answers

A reaction between liquid reactants takes place at −10.0°C in a sealed, evacuated vessel with a measured volume of 45.0L. Measur

maks197457 [2]

Answer: 0.0624 atm

Explanation:-

According to the ideal gas equation:

$PV=nRT$

P = Pressure of the gas = ?

V= Volume of the gas = 45.0 L

T= Temperature of the gas = -10.0°C = 263 K $0^00C=273K$

R= Gas constant = 0.0821 atmL/K mol

n= moles of gas

Moles of gas= $\frac{\text{ given mass}}{\text{ molar mass}}= \frac{19.0g}{146g/mole}=0.130moles$

$P=\frac{nRT}{V}=\frac{0.130\times 0.0821\times 263}{45.0}=0.0624atm$

The pressure of sulfur hexafluoride gas in the reaction vessel after the reaction is 0.0624 atm

3 0

3 years ago

Tema [17]

Answer:

.15625

Explanation:

for each gram there is .0625 molecules

4 0

3 years ago