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3 years ago

I need heLp ASAP

Chemistry

2 answers:

vredina [299]3 years ago

6 0

Answer:

sunspots

Explanation:

because i got it right on the test.

Mandarinka [93]3 years ago

4 0

Answer:

Photosphere

Explanation:

Because it is the visible surface of the sun we are most familiar with.

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Briefly describe how the pH of a colourless solution could be measured using a universal indicator

Firdavs [7]

Answer:

Universal indicator can show us how strongly acidic or alkaline a solution is, not just that the solution is acidic or alkaline. This is measured using the pH scale , which runs from pH 0 to pH 14.

Explanation:

~Hope this helps

4 0

2 years ago

If the density of an ideal gas at stp if found to be 0.0902 g/l, what is its molar mass?

lisabon 2012 [21]

P=0.0902 g/l
v=22.4 l/mol (stp)

M=vp

M=22.4 l/mol * 0.0902 g/l=2.020 g/mol

M=2.020 g/mol

4 0

3 years ago

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Determine the percentage composition of Ptl2

Hitman42 [59]

Answer:

Percent Composition

1. Find the molar mass of all the elements in the compound in grams per mole.

2. Find the molecular mass of the entire compound.

3. Divide the component's molar mass by the entire molecular mass.

4. You will now have a number between 0 and 1. Multiply it by 100% to get percent composition.

7 0

1 year ago

Table salt is also known as sodium chloride, because it is

Mnenie [13.5K]

Sodom chloride is an ionic compound.

<h3>What is sodium chloride?</h3>

Sodium chloride is a compound that is formed by the combination of sodium and chlorine atoms. The compound is ionic as the ions of the atoms combine. Sodium looses one electron that can now be gained by chlorine.

Since the compound is ionic, it has a high melting and boiling point. This implies that the compound could melt as high as 801 degrees centigrade. The boiling point of the compound is much higher.

We can represent the compound using the ball and stick or the space filling model. The ball and stick model of sodium chloride has been shown in the image attached to this answer.

Learn more about ball and stick model:brainly.com/question/17217225

#SPJ1

6 0

1 year ago

Dryers work with forced_____.<br><br>One word answer please

Zina [86]

Answer:

electricity

Explanation:

I'm not 100% sure though

7 0

3 years ago

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