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Natali [406]
3 years ago
12

How many sodium ions are there in 85 g of sodium oxide?

Chemistry
1 answer:
kap26 [50]3 years ago
4 0
Ask your mum she smarter than u
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A Series of choices between two characteristics that is used to identify an organism is called a
Zielflug [23.3K]

Answer: Dichotomous

Using a Dichotomous Key to Identify Organisms

A dichotomous key is a tool used by biologists to identify organisms in a group through a process of answering yes or no questions about the organism. Dichotomous means 'divided into two parts', as each question about an organism has two choices.

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Which safety feature works to slow down nuclear-fission chain reactions?
kozerog [31]

Answer:

The answer is

-control rods

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|A titanium ore contains rutile (TiO2) plus some oxides of iron and silica. When it is heated with
USPshnik [31]

Explanation:

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4 0
3 years ago
Perform the following conversions:
jek_recluse [69]

Answer :

The conversion used for the temperature from Fahrenheit to degree Celsius is:

^oC=\frac{5}{9}\times (^oF-32)

The conversion used for the temperature from degree Celsius to Kelvin is:

K=^oC+273

(a) 1.06^oF

^oC=\frac{5}{9}\times (^oF-32)

^oC=\frac{5}{9}\times (1.06^oF-32)

^oC=-17.188

The temperature in degree Celsius is, -17.188^oC

K=^oC+273

K=-17.188+273

K=255.812

The temperature in Kelvin is, 255.812 K

(b) 3410^oC

^oC=\frac{5}{9}\times (^oF-32)

3410^oC=\frac{5}{9}\times (^oF-32)

^oF=6106

The temperature in degree Fahrenheit is, 6106^oF

K=^oC+273

K=3410+273

K=3683

The temperature in Kelvin is, 3683 K

(c) 6.1\times 10^3K

K=^oC+273

6.1\times 10^3K=^oC+273

^oC=5827

The temperature in degree Celsius is, 5827^oC

^oC=\frac{5}{9}\times (^oF-32)

5827^oC=\frac{5}{9}\times (^oF-32)

^oF=10456.6

The temperature in degree Fahrenheit is, 10456.6^oF

8 0
3 years ago
hat is the relationship between the vapor pressure of a liquid and the measured pressure of the gas above the liquid at a given
IgorLugansk [536]

Answer:

In a closed system the vapor pressure and the measured pressure of a gas increases.

Explanation:

as the pressure of the liquid increases the measured pressures also increases  with a given temperature.

4 0
3 years ago
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