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Zanzabum
3 years ago
14

Please help this will help my grade a lot

Chemistry
1 answer:
vladimir1956 [14]3 years ago
3 0

Answer:

a- customary systems..

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A mole of lead will be heavier than a mole of oxygen because
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8 0
3 years ago
What is the net force acting on a 3000g sled that accelerated at 5 m/s2 ?
user100 [1]

Answer:

<h2>15 N</h2>

Explanation:

The force acting on an object given it's mass and acceleration can be found by using the formula

force = mass × acceleration

From the question

3000 g = 3 kg

We have

net force = 3 × 5 = 15

We have the final answer as

<h3>15 N</h3>

Hope this helps you

5 0
3 years ago
Aspirin has a formula c9h8o4. what is the molar mass of aspirin? 1. 95 g 2. 220 g 3. 180 g 4. 325 g
Debora [2.8K]
Molar mass is the mass of 1 mol of substance.
Molar masses of compounds can be calculated by the sum of the products of molar masses of individual atoms by number of corresponding individual atoms.
Compound formula is C₉H₈O₄
the molar masses of the atoms making up the compound 
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H - 1 g/mol x 8 H = 8 
O - 16 g/mol x 4 O = 64
therefore molar mass of aspirin = 108 + 8 + 64 = 180 g/mol
answer is 3.180 
5 0
3 years ago
A forward reaction in which adding heat decreases product formation is _________, while a forward reaction in which adding heat
ELEN [110]
I believe the correct answer from the choices listed above is option A. <span>A forward reaction in which adding heat decreases product formation is exothermic, while a forward reaction in which adding heat increases product formation is endothermic. Exothermic would mean that heat is being released by the process while the opposite is called endothermic in which it absorbs heat.</span>
3 0
4 years ago
Where and when are acute-phase proteins produced?
mrs_skeptik [129]

Answer:

The answer should be C. Primarily in the liver in response to inflammation :)

Have an amazing day!!

Please rate and mark brainliest!!

3 0
2 years ago
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