2 years ago

Brain if correct (3)

Chemistry

2 answers:

Anni [7]2 years ago

8 0

Answer:

Darker colored items absorb more of the sunlight.

Explanation:

Lighter colored item tend to reflect more of the sunlight

Hunter-Best [27]2 years ago

8 0

You were lighter colors in the summer because it doesn’t make you as hot . when you wear black and dark colors it absorbs the heat

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Student 1You are supplied with a 100 mL beaker that you weigh on a pocket balance – its weight clean and dry is 29.3 g. You then

navik [9.2K]

Answer:

The answer to your question is: density = 0.993 g/ml

Explanation:

Data

mass beaker empty = 29.3 g

volume of liquid = 15 ml

mass beaker + liquid = 44.2 g

Formula

density = mass / volume

Process

mass of liquid = 44.2 - 29.3

= 14.9 g

density = 14.9 / 15

= 0.993 g/ml

6 0

3 years ago

Which is a form of heat transfer that is reduced by using a potholder when taking a hot dish out of an oven? Please answer quick

Angelina_Jolie [31]

Answer:

i belive your talking about Conduction

Explanation:

if im

wrong comment

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2 years ago

For the reaction H2PO4- HAsO4 2-HPO4 2-+H2AsO4- <br> what species are a conjugate acid-base pair?

aleksklad [387]

Ionic equation:

$\text{H}_2\text{PO}_4^{-} + \text{HAsO}_4^{2-} \to \text{HPO}_4^{2-} + \text{H}_2\text{AsO}_4^{-}$

The acid and base in a conjugate pair differ by only one proton $\text{H}^{+}$ . The acid loses one proton to produce a conjugate base, whereas the base gains a proton to produce its conjugate acid.

$\text{H}_2\text{PO}_4^{-}$ loses one proton to produce $\text{HPO}_4^{2-}$ in this reaction.

$\text{H}_2\text{PO}_4^{-} \to \text{H}^{+} + \text{HPO}_4^{2-}$

Meanwhile, $\text{HAsO}_4^{2-}$ gains one proton to form $\text{H}_2\text{AsO}_4^{-}$ .

$\text{HAsO}_4^{2-} + \text{H}^{+} \to \text{H}_2\text{AsO}_4^{-}$

Therefore

$\text{H}_2\text{PO}_4^{-}$ is the conjugate acid $\text{HPO}_4^{2-}$ , its conjugate base.
$\text{HAsO}_4^{2-}$ is the conjugate base of $\text{H}_2\text{AsO}_4^{-}$ , its conjugate acid.

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3 years ago

Read 2 more answers

What would you observe in the reaction of calcium with nitric acid

Marina CMI [18]

Answer:

reacts to form carbondioxide

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3 years ago

Kitty [74]

Answer:

0.14607220033346532

Explanation:

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2 years ago