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VARVARA [1.3K]
3 years ago
10

4. An atom is neutral because it has the same number of protons as it has:

Chemistry
1 answer:
stealth61 [152]3 years ago
7 0
Neutrons the way this question is setup the atom would not be able to be neutral
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When you climb to the top of a water slide, you are gaining:
Annette [7]

Answer:

C

Explanation:

You climbing the water slide gives you potential energy and your building gravitational eneergy.

3 0
3 years ago
What term describes the smallest unit that can perform all of the functions necessary for life
Jobisdone [24]

Answer:

Cell

A cell is the smallest unit of a living thing. Cells are the basic building blocks of all organisms

5 0
3 years ago
A bicycle weighs 780. pounds. If the pressure exerted by its
Colt1911 [192]

Answer:it’s 12.8cm^2 and I saw that last anwser and he’s not wrong but yeah I had trouble figuring it out but it’s just force divided by area for both tires multiply that by 2

Explanation:

4 0
4 years ago
How is the atomic mass of an element calculated from isotope data
Angelina_Jolie [31]

Answer:

aam=\frac{\Sigma m_{i} \times ab_{i} }{100}

Explanation:

When an atom has 2 or more isotopes, the average atomic mass (aam) depends on the mass of each isotope (mi) and the percentual abundance in nature of each isotope (abi). The average atomic mass can be calculated using the following expression:

aam=\frac{\Sigma m_{i} \times ab_{i} }{100}

8 0
3 years ago
75. In Canada and the United Kingdom, devices that measure blood glucose levels provide a reading in millimoles per liter. If a
AfilCa [17]

Answer:

The answer to this is the concentration of glucose (C6H12O6) in mg/dL = 95.48 mg/dL

Explanation:

To solve this we list out the known variables thus

Measured concentration of  glucose  (C6H12O6) = 5.3mM per liter

The molar mass of glucose  = 180.156 g/mol

From the above, it is seen that one mole of glucose contains 180.156 grams of  C6H12O6 therefore 5.3 mM which is 5.3 × 10⁻³ moles contains

5.3 × 10⁻³ moles × 180.156 g/mol = 0.9548 grams of glucose

Also 1 d L = 0.1 L  or 1 L = 10 dL and 1 mg = 1000 g, hence

thus 0.9548 grams per liter is equivalent to 1000/10 × 0.9548 milligrams per dL or 95.48 mg/dL

4 0
4 years ago
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