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3 years ago

Please help it’s due by midnight I’ll mark you brainiest if you’re able to help

Chemistry

1 answer:

kakasveta [241]3 years ago

5 0

Answer:

bbbbbbbbbbbbbbbbbbbbbbbbb

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B 1. What type of signal is represented by discrete values?

lesya [120]

Answer:

digital signal is the answer

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3 years ago

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Question 6 The mineral barite, (BaSO.) has a ke of 1.1 x 10" at 25°C. Calculate the solubility of barium sulfate in water, in: 6

Sav [38]

Explanation:

(6.1). The reaction equation will be as follows.

$BaSO_{4}(s) \rightleftharpoons Ba^{2+}(aq) + SO^{2-}_{4}(aq)$

Assuming the value of $K_{sp}$ as $1.1 \times 10^{-10}$ and let the solubility of each specie involved in this reaction is "s". The expression for $K_{sp}$ will be as follows.

$K_{sp} = [Ba^{2+}][SO^{-}_{2}]$ (Solids are nor considered)

= $s \times s$

s = $\sqrt{K_{sp}}$

= $\sqrt{1.1 \times 10^{-10}}$

= $1.05 \times 10^{-5}$

Therefore, solubility of barium sulfate in water is $1.05 \times 10^{-5}$ .

(6.2). As the molar mass of $BaSO_{4}$ is 233.38 g/mol

Therefore, the solubility is g/L will be calculated as follows.

$233.38 g/mol \times 1.05 \times 10^{-5}$

= $2.45 \times 10^{-3} g/L$

Therefore, solubility of barium sulfate in grams per liter is $2.45 \times 10^{-3} g/L$ .

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3 years ago

Which is a feature of a single replacement reaction?

Natali5045456 [20]

Answer:

Substance G reacts with compound XY to form GY and X.

Explanation:

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When ironing clothes, the primary method of heat transfer is A) conduction. B) convection. C) insulation. D) radiation.

GaryK [48]

I think the answer is radiation I am not hundred percent sure though

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3 years ago

30 PTS <br> convert 112 atm to kpa <br><br> SHOW AND EXPLAIN WORK PLZ

Kisachek [45]

One atmosphere is equal to 101.3 kilopascals, the measurement of force that the atmosphere exerts at sea level. To convert 112 atmospheres to kilopascals, simply multiply the two together.

112 atm x (101.3 kPa/1 atm) = 11,345.6 kPa
/\
conversion factor

112 atmospheres is the same amount of pressure as 11,345.6 kilopascals.

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3 years ago