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Nina [5.8K]
3 years ago
14

Which of the following body system does the immune system rely on to provide the first line of defense against pathogens

Chemistry
1 answer:
Tasya [4]3 years ago
8 0
I think it is integumentary system.
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why when you mix three different colors the new color you see is brighter than the original colors you mixed
maria [59]

Answer:

Mixing colored lights & mixing colored paints. The primary colors of light are also known as the additive colors, because, when you add these three colors of light (red, green and blue) your brain perceives white light. The primary colors of paints, however, are known as subtractive colors.

Explanation:

<em>Your </em><em>well-wisher</em>

8 0
3 years ago
What can you infer about the volume of an object imagined with a greater mass?
pashok25 [27]
We tend to think the greater the mass, the greater the volume but that is not true.  What weighs more a pound of lead or a pound of feathers?  Obviously they are the same however there would be a lot more feathers than lead.  Mass and volume are not really related.
3 0
3 years ago
If you add 14.22ml of 2.97m hcl (42.2mmol) to an antacid, then neutralize the excess acid with 5.00ml of 0.1055 m naoh (0.528mmo
Vinvika [58]

Given data:

Volume of HCl = 14.22 ml

Molarity of HCl = 2.97 M

mmoles of HCl = 14.22 * 2.97 = 42.2 mmoles

Volume of NaOH = 5.00 ml

Molarity of NaOH = 0.1055 M

mmoles of NaOH = 5.00 *.1055 = 0.5275 mmoles

Since HCl and NaOH combine in a 1:1 ratio

# moles of NaOH = # moles of excess HCl that is neutralized = 0.5275 moles

Now, the total moles of HCl taken = # mmoles HCl neutralized by antacid + # mmoles of excess HCl

42.2 = mmoles HCl neutralized by antacid + 0.5275

Therefore,

mmoles of HCl neutralized by antacid = 42.2 - 0.5275 = 41.6725 mmoles = 41.7 mmoles


5 0
3 years ago
Two types of liquids, two types of gases, two types of solids.
snow_tiger [21]

Answer:

liquids: water and soda

gases: oxygen and carbon dioxide

solid: a chair and a notebook

3 0
2 years ago
Read 2 more answers
What volume would 3 moles of hydrogen gas occupy at stp?
Alchen [17]
22.4 L<span>So, if 1 mole occupies 22.4 L, the imediate conclusion is that a bigger number of moles will occupy more than 22.4 L, and a smaller number of moles will occupy less than 22.4 L. In your case, 3 moles of gas will occupy 3 times more volume than 1 mole of gas.</span>
3 0
3 years ago
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