All categories

3 years ago

When a metallic element is converted to a positive ion during a chemical reaction with oxygen, the element is said to be?

Chemistry

1 answer:

Orlov [11]3 years ago

5 0

The metal is being oxidized.

Metals- along with other elements- are neutral and have oxidation state of $0$ in their respective elementary states.

Metal atoms can lose electrons to electronegative elements such as oxygen on exposure. Atoms that have lost one or more negatively-charged electrons are no longer neutral and demonstrate a positive charge. Those atoms have converted to positively charged ions or cations.

Oxidation is the process of losing electrons whereas Reduction refers to the process of gaining electrons. "OIL RIG." Metal atoms here lose electrons and are thus oxidized.

You might be interested in

What are communities doing to prepare for this hazard? Hurricane

love history [14]

Answer:

they board up the windows evacuate sometimes and barricade doors

Explanation:

6 0

3 years ago

Read 2 more answers

The molar mass of barium nitrate (ba(no3)2) is 261.35 g/mol. what is the mass of 5.30 × 1022 formula units of ba(no3)2? 0.0900 g

liberstina [14]

Molar mass is the ratio of the mass to that amount of the substance. The mass of the barium nitrate in the formula unit is 23.0 grams.

The mass of a substance is the product of the molar mass of the compound and the number of moles of the compound.

Given,

Molar mass of barium nitrate = 261.35 g/mol

If, $6.022 \times 10^{23}$ have a mass of 261.35 g/mol then, $5.30 \times 10^{22}$ formula units will have a mass of,

$\begin{aligned}& = \dfrac{261.35 \times 5.30 \times 10^{22}}{6.022\times 10^{23}}\\\\&= 23.0\;\rm gm\end{aligned}$

Therefore, option C. 23.0 gm is the mass of barium nitrate.

Learn more about mass here:

brainly.com/question/24958554

6 0

2 years ago

Do you think that the human being is the center of the universe?

Andrej [43]

I think that the sun is the center of the universe, not a human being. Everything revolves around the sun, not someone. U know when to sleep, when the time is, and when to wake up based on the sun. All the planets revolve around it. This is why I think the sun is the center of the universe, not a human being.

3 0

3 years ago

How much heat is required to raise the temperature of 65.8 grams of water from 31.5ºC to 46.9ºC?

vodomira [7]

Answer: 1,013.32 cal × 4.18 J/cal = 4,235.68 J

Explanation:

1) Data:

Water ⇒ C = 1 cal/g°C

m = 65.8 g

Ti = 31.5°C

Tf = 36.9°C

Heat, Q = ?

2) Formula:

Q = mCΔT

3) Calculations:

Q = 65.8g × 1 cal/g°C × (46.9°C - 31.5°C) = 1,013.2 cal

4) You can convert from calories to Joules using the conversion factor:

1 cal = 4.18 J

⇒ 1,013.32 cal × 4.18 J/cal = 4,235.68 J

3 0

3 years ago

Sodium nitrate is used in fertilizers, explosives, and glass manufacturing. Give the formula for this compound

krek1111 [17]

Explanation:

The molecular formula for Sodium Nitrate is NaNO3. The SI base unit for amount of substance is the mole. 1 grams Sodium Nitrate is equal to 0.011765443644878 mole.

7 0

3 years ago