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nordsb [41]
3 years ago
9

PLEASE HELP! I'LL GIVE YOU BRAINLIEST!

Chemistry
2 answers:
atroni [7]3 years ago
4 0

Answer:

A.  Red, yellow, white, blue

Rainbow [258]3 years ago
4 0
A, Because It’s the only one with blue at the end and blue is the hottest star.
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The hot dogs you ate at the barbecue last week were 75% fat-free by weight, had 275 calories, and weighed 110 g. a) What percent
vovangra [49]

Answer:

a) 25%

b) 27.5 g

c) 90%

Explanation:

a) 75% fat-free by weight means 25% of the weight is made by fat.

b) 110 g ___ 100%

      x    ___ 25%

          x = 27.5g

Each hot dog has 27.5g of fat.

c) 9 cal ___ 1 g fat

      y    ___ 27.5 g fat

          y = 247.5 cal

275 cal ___ 100%

247.5 cal ___ z

     z = 90%

90 % of the calories come from fat.

6 0
3 years ago
Basic substances have a gritty texture.
crimeas [40]
<h3>1.<u> Answer;</u></h3>

False

<h3><u>Explanation;</u></h3>

Bases have some of the following properties;

  • They have a bitter taste
  • They have a slimy, or soapy feel on fingers
  • Most bases react with acids and precipitate salts.
  • Strong bases may react violently with acids.
  • Bases turn red litmus paper blue

<h3>2. <u>Answer;</u></h3>

An acid

<h3><u>Explanation;</u></h3>
  • When acids are dissolved in water, the concentration of the acid decreases and it becomes dilute.
  • It dissociates in water to give H+ ions or hydrogen ions.
  • All acidic solutions contain more hydrogen ions than hydroxide ions, therefore when added to water it increases the concentration of H+ ions in water, as water is a neutral substance whose concentration of H+ ions is equal to OH-.
5 0
3 years ago
Why is the Chemical symbol for lead Pb?? ^__^ i HATE the perdiotic** table!!
tatuchka [14]
Cause latin name of Pb is plumbum.
The same K - potassium - latin name is kalium.
3 0
3 years ago
One mole of copper has a different mass from one mole of mercury because
kari74 [83]

Answer:

B)

an atom of mercury has a different mass than an atom of copper.

Explanation:

3 0
3 years ago
Which example is not a structural adaptation of a plant? A. curling around a tree trunk B. protecting itself with thick bark C.
aalyn [17]

A. curling around a tree trunk

I believe would be the correct answer because it is not an adaptation that it has gained through evolution and it is something that happens after the plant has grown.

3 0
3 years ago
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