2 years ago

In the modern periodic table when elements are arranged according to their atomic

Chemistry

1 answer:

9966 [12]2 years ago

3 0

In the modern periodic table when elements are arranged according to their atomic number.

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HELP WILL GIVE BRAINLIEST!

Lostsunrise [7]

Answer:

cover the taste with sugar add two times the amount your supposed to put in

Explanation:

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2 years ago

Breathing equipment used by rescue workers needs to capture the CO2 the humans breath out and produce O2 for them to breath in,

const2013 [10]

Answer: $4KO_2+2CO_2\rightarrow 2K_2CO_3+3O_2$

Explanation:

According to the law of conservation of mass, mass can neither be created nor be destroyed. Thus the mass of products has to be equal to the mass of reactants. The number of atoms of each element has to be same on reactant and product side. Thus chemical equations are balanced.

The balanced chemical equation for reaction of potassium superoxide with carbon dioxide to produce oxygen and potassium carbonate will be:

$4KO_2+2CO_2\rightarrow 2K_2CO_3+3O_2$

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2 years ago

Only the _____ word in an organism's complete scientific name has its first letter capitalized

dimaraw [331]

Only the first word in an organism's complete scientific name has its first letter capitalized.

When writing out the organism's scientific name, it goes Genus and then species. The Genus is always capitalized and species is always lowercase. Also when writing the name, usually you either write it in italics or underline the scientific name.

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3 years ago

Write the formula for potassium nitride? <br> (show work)<br> CAN SOMEONE PLEASE HELP?

ohaa [14]

Answer:

It should b KNO3

Explanation:

one Potassium (K) and three Nitrite (NO3)

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3 years ago

20. What is the area of a piece of metal foil that measures 43.9 cm by 29.21 cm? Express the answer to

Aneli [31]

Answer:

The correct answer is b. 1280 cm^2

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3 years ago