3 years ago

Describe two ways in which a cell grows.

Chemistry

1 answer:

adelina 88 [10]3 years ago

3 0

Answer:

There are two types of cell division: mitosis and meiosis. Most of the time when people refer to “cell division,” they mean mitosis, the process of making new body cells.

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Oxygen and hydrogen are both elements that are found as gases at room temperature. When oxygen combines with hydrogen, they prod

Tom [10]

Answer:

Explanation:

has properties that are different from the original substances.

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3 years ago

Question 4 Solve and report to correct number of significant figure 2.375 + 4.5

DiKsa [7]

Answer:

6.9 (two sig figs)

Explanation:

2.375 + 4.5 = 6.875 = 6.9

When adding or subtracting, sig figs are determined by the least number of digits past the decimal point.

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3 years ago

Cuántos moles y gramos de Hcl pueden producirse a partir de 945g de ácido sulfúrico.?

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3 years ago

Use the periodic table to identify the number of core electrons and the number of valence electrons in each case below.

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2 years ago

Consider the exothermic reaction

alisha [4.7K]

Answer:

The answer to your question is -2855 J

Explanation:

Reaction

2C₂H₆ + 7O₂ ⇒ 4CO₂ + 6H₂O

Formula

Heat of reaction = ΔHrxn = ΣΔHrxn products - ΣΔHrxn reactants

Substitution

ΔHrxn = { 4(-393.5) + 6(-241.8)} - {2(-84.7) + 7(0)}

ΔHrxn = {-1574 -1450.8} - {-169.4}

ΔHrxn = -3024.8 + 169.4

ΔHrxn = -2855.4 J

4 0

3 years ago