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3 years ago

Choose the correct statement. Ammonia is a strong base. HCl is a strong base. Water is a strong acid. HCO3 is a strong acid.

Chemistry

2 answers:

yuradex [85]3 years ago

6 0

The answer is that HCO3 is a strong acid

Pepsi [2]3 years ago

5 0

The last one in the list, HCO3 is a strong acid

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Exactly how many -OH groups are found in a 6 carbon alditol?

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Answer:

The number of OH group found in found in a 6 carbon alditol is 6

Explanation:

The structure of a 6 carbon alditol is shown on the first uploaded image

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3 years ago

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2 years ago

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3 years ago

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Grams of sodium 9.5g in NaCl

Kitty [74]

Answer:

3.68 grams.

Explanation:

First we convert 9.5 g of NaCl into moles of NaCl, using its molar mass:

9.5 g ÷ 58.44 g/mol = 0.16 mol NaCl

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We now convert 0.16 moles of sodium into grams, using sodium's molar mass:

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2 years ago

What is the mass of a sample of water that takes 2000 kJ of energy to boil into steam at 373 K. The latent heat of vaporization

zzz [600]

Answer:

$\boxed{\text{889 g}}$

Explanation:

The formula relating the mass m of a sample and the heat q to vaporize it is

q = mL, where L is the latent heat of vaporization.

$\begin{array}{rcl}2000 \times 10^{3} \text{ J} & = & m \times \dfrac{2.25 \times 10^{6} \text{ J}}{\text{1 kg}}\\\\m & = & \dfrac{2000 \times \times 10^{3}\text{ kg}}{2.25 \times 10^{6}}\\ & = & \text{0.889 kg}\\\\ & = & \text{889 g}\\\end{array}\\\text{The mass of water is $\boxed{\textbf{889 g}}$}$

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3 years ago