1 year ago

Aluminum finds application as a foil for wrapping food stuves. Why?

Chemistry

1 answer:

pshichka [43]1 year ago

8 0

Answer:

it keeps the heat in and the bugs and flys out

Explanation:

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The table below shows the content in mg of some chemical elements found in 100g of milk:

garri49 [273]

Answer:

... chloride, calcium, potassium, and zinc was signifi- ... of cow and goat milk pasteurization on element retention ... certified American Chemical Society (ACS);. Whatman ... goat milk. Table 2 gives the content of 17 elements of ... found .0026 rag/100 g in raw and .0024 mg/100 ... mg/100 g chloride content (27) and another.

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3 years ago

A 75.0-milliliter lightbulb is filled with neon. There are 7.16 × 10-4 moles of gas in it, and the absolute pressure is 116.8 ki

Fantom [35]

Answer:- 1467 K

Solution:- It asks to calculate the kelvin temperature of the light bulb. Looking at the given info, it is based on ideal gas law equation, PV=nRT.

Given: $n=7.16*10^-^4moles$

V = 75.0 mL = 0.0750 L

P = 116.8 kPa

We know that, 101.325 kPa = 1 atm

So, $116.8kPa(\frac{1aym}{101.325kPa})$

= 1.15 atm

R is universal gas constant and it's value is $0.0821\frac{atm.L}{mol.K}$ .

T = ?

Let's plug in the values in the equation and solve it for T.

$1.15(0.0750)=7.16*10^-^4*0.0821(T)$

0.08625 = 0.00005878(T)

$T=\frac{0.08625}{0.00005878}$

T = 1467 K

So, the temperature of the light bulb would be 1467 K.

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2 years ago

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make a chart to show the effect of Sodium Hydroxide and Sulphuric acid on methyl orange and red litmus paper

navik [9.2K]

Answer:

mark me as brainliest plsss

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3 years ago

How many bonding and ione pairs does HCN have?

tiny-mole [99]

One lone pair, as there is a single covalent bond between the hydrogen and the carbon, and a triple covalent bond between the nitrogen and the carbon, leaving two free electrons/one electron pair on the nitrogen..... I think ((:

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2 years ago

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jekas [21]

Explanation:

its answer is displacement reaction

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3 years ago