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2 years ago

What is the name of this molecule?

Chemistry

1 answer:

Fiesta28 [93]2 years ago

7 0

Butanoic acid (Butyric acid)

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6. What does the symbol AH stand for?

Vesnalui [34]

the heat of reaction for a chemical reaction

4 0

3 years ago

What are the molarity and osmolarity of a 1-liter solution that contains half a mole of calcium chloride? How many molecules of

givi [52]

Answer:

Molarity = 0.5 M

Osmolarity = 0.5 x 2 = 1 Osmpl.

Molecules of Cl2 = 6.02 x $10^{23}$ / 4= 1.505 x $10^{23}$ no. of molecules

Explanation:

If we add half mole in 1L volume than molarity will obviously be 0.5 M.

The osmolarity is molarity multiplies by number of dissociates of solute that for CaCl2 are 2. So, 2 x 0.5 = 1

Half will be molecules of Ca and half will be of Cl2 for 0.5M.

6 0

3 years ago

Energy is involved in some way in all chemical reactions. Which type of reaction involves the absorption of energy from the surr

storchak [24]

Answer:

endothermic reaction

Explantion:

The definition for endothermic is:

describing a process that involves the absorption of energy from the surroundings by substances undergoing change.

Think of <em>en-</em>dothermic as energy entering and <em>ex-</em>othermic as energy exiting.

5 0

2 years ago

MgNH4PO4•6H2O loses H2O in a stepwise fashion as it is heated. Between 40 degrees celsius and 60 degrees celsius, the monohydrat

tino4ka555 [31]

Answer:

$\%\ Composition\ of\ phosphorus=20.00\ \%$

Explanation:

The molecular formula of the monohydrate formed = $MgNH_4PO_4.H_2O$

The molecular mass of the monohydrate formed = $Mass_{Mg}+Mass_{N}+6\times Mass_{H}+5\times Mass_O$

So, Mass = 24 + 14 + 6 × 1 + 5 × 16 = 155 g

Mass of phosphorus = 31 g

Thus,

$\%\ Composition\ of\ phosphorus =\frac{Mass_{phosphorus}}{Total\ mass}\times 100$

$\%\ Composition\ of\ phosphorus=\frac{31}{155}\times 100$

$\%\ Composition\ of\ phosphorus=20.00\ \%$

4 0

3 years ago

Please answer

AURORKA [14]

Answer:

Explanation:

1 east

2 the flower bud for cotton and for jute the leaves

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4 0

2 years ago