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True [87]
3 years ago
8

Which of the following is a way your body fights a bacterial infection? Fever Shivers Sweats Increased heart rate

Chemistry
2 answers:
faust18 [17]3 years ago
8 0
Bacterial infection disrupt the normal function of the body by causing illnesses.The immune system is compromised. The body uses its white blood cells to fight bacterial infection. Some of the ways your body fights these bacterial infections is a fever.
Pie3 years ago
4 0
That would be first one fever
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Engineers find a new metal that is stronger than steel but much lighter. This
user100 [1]

Answer:

D

Explanation:

I think they would design a airplane with this new metal first because they have to find the right balance for this new type of metal. They can't just sell a airplane with a new metal that has a different weight immediately they need to test it and design it first.

7 0
3 years ago
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Number of moles of Sn (l) produced when 4.0 moles of H2 (g) is completely consumed
Dafna11 [192]
The answer is 2.0 moles.
From their coefficients in the balanced chemical equation below for the reaction of tin dioxide with hydrogen gas to produce tin and water:
     SnO2(s) + 2H2(g) ==>Sn(l) + 2H2O(g)
two moles of hydrogen gas is to produce one mole of tin. We use this mole ratio to compute for the number of moles of tin as:
     moles of Sn = 4.0mol H2 (1mol Sn/2mol H2) = 2.0 mol
4 0
3 years ago
Which method involves separating a solution by liquids moving across a selectively permeable membrane?
Kisachek [45]

Answer:

OSMOSIS

Explanation:

Osmosis (/ɒzˈmoʊ.sɪs/) is the spontaneous net movement or diffusion of solvent molecules through a selectively permeable membrane from a region of high water potential (region of lower solute concentration) to a region of low water potential (region of higher solute concentration),

7 0
3 years ago
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A piece of unknown metal weighs 348g. When the metal piece absorbs 6.64kj of heat , its temperature increases from 24.4C to 43.6
Morgarella [4.7K]

Answer:

This metal could be the aluminium with a specific heat of H = 993 \frac{J}{kgC}

Explanation:

A pie of unknown metal presents a mass (M) of 348 g. This metal is heated using energy (E) of 6.64 kJ and the temperature increases from T1 =24.4 to T2 =43.6°C. We can calculate the specific heat (H) of this metal as follows

H = \frac{E}{M*(T2-T1)}

We can replace previously presented data in this equation. After simplifying and converting to adequated units, we found that

H = \frac{6640 J}{0.348 Kg*(43.6-24.4) C} =\frac{6640 J}{6.686 KgC}

Finally, the specific heat of this metal is

H = 993 \frac{J}{kgC}

The aluminium could be the metal, its specific heat is similar to that found in this problem.

Finally,  we can conclude that this metal could be the aluminium with a specific heat of H = 993 \frac{J}{kgC}

7 0
3 years ago
Convert 32 Fahrenheit to Celsius
valina [46]

Answer:

°F - 32/1.8000

Explanation:

8 0
3 years ago
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