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2 years ago

What information does the formula for an ionic compound provide?

1 answer:

7 0

It provides us with the knowledge of what the cation and anion of the compound are, as well as how many atoms of each are present.

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Which statement describes the light reaction of photosynthesis?

cupoosta [38]

Answer:

Explanation:

water molecules are combined to make food

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2 years ago

7. Write the equation for the positron emission of barium-127.

ziro4ka [17]

The reaction is given by

$\\ \rm\Rrightarrow {}^{127}_{56}Ba\longrightarrow {}^{0}_{+1}\beta+{}^{127}_{55}Cs$

Barium goes underneath beta decay to form Ceaseum

Cs is very mellable element
It can melt on your hand

8 0

1 year ago

Identify the correct mole ratio for each substance. Sodium chloride (NaCl) Na:Cl = 1: Ammonium nitrate (NHNO) H:O = 4:

Norma-Jean [14]

<u>Answer:</u> The mole ratio of H : O in ammonium nitrate is 4 : 3.

<u>Explanation:</u>

We are given a compound named ammonium nitrate having formula $NH_4NO_3$

There are 3 elements in this compound which are nitrogen, hydrogen and oxygen.

To calculate the mole ratio, we write the ratio of their subscripts. For this compound, it is:

$N:H:O::2:4:3$

The mole ratio of H and O for this compound is 4 : 3.

4 0

2 years ago

Read 2 more answers

How many solute particles are found inside the cell

vazorg [7]

it should either be 5 or 10

7 0

2 years ago

7. What is the prefix value for 100X?

Lilit [14]

Answer:

hecto-

Explanation:

The prefix value of 100 is hecto therefore 100X can be called hecto-x.

Such prefixes as this are expressed in the order of tens. Units generally exists scientifically in multiples and submultiples form using prefixes.

For the multiples:

10 deca(da)

100 hecto(h)

1000 kilo(k)

1000000 mega(M)

1000000000 giga(G)

4 0

3 years ago

Read 2 more answers