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Paul [167]
2 years ago
7

On brainly, how can I stop chemistry from popping up on my brainly home page. I only need this for math and thats how I want it.

Chemistry
2 answers:
Sati [7]2 years ago
8 0
<h3>Hello there i hope you are having a great day your question : On brainly, how can I stop chemistry from popping up on my brainly home page. I only need this for math and that how I want it?</h3><h3>pictures are shown below hope that helps you ❤ </h3>

dimulka [17.4K]2 years ago
4 0

Answer:

Go to the top left and you will see ur subject

Explanation:

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Which shell is the outermost for oxygen?<br> A 192<br> B. 292<br> C. 252P<br> D. 2P
nadya68 [22]
Typical day of a new day in my house with my phone in my car so I’m not going hard I don’t know how much it was
4 0
2 years ago
A student sets up the following equation to convert a measurement.
Sholpan [36]

Answer:

–0.13 Pa.m²

Explanation:

From the question given above, the following data were obtained:

Measurement (Pa.mm²) = –1.3×10⁵ Pa.mm²

Measurement (Pa.m²) =?

We can convert from Pa.mm² to Pa.m² by doing the following:

1 Pa.mm² = 1×10¯⁶ Pa.m²

Therefore,

–1.3×10⁵ Pa.mm² = –1.3×10⁵ Pa.mm² × 1×10¯⁶ Pa.m² / 1 Pa.mm²

–1.3×10⁵ Pa.mm² = –0.13 Pa.m²

Thus, –1.3×10⁵ Pa.mm² is equivalent to –0.13 Pa.m².

6 0
3 years ago
The speed of light in a vacuum is 2.998 × 10 8 8 m/s. How long does it take for light to circumnavigate the Earth, which has a c
svp [43]

Answer:- 0.134 seconds

Solution:- The speed is given as 2.988*10^8\frac{m}{s} and the circumference is 24900 miles which is same as the distance light have to covered. It asks to calculate the time required to cover this distance by the light.

We need to do unit conversion from miles to meter as the speed is given in meter per second.

1 mile = 1609.34 meter

So, 24900mile(\frac{1609.34meter}{mile})

= 40072566 meters

Know that, speed=\frac{distance}{time}

It's rearranged to time as, time=\frac{distance}{speed}

Let's plug in the values in it:

time=\frac{40072566meter}{2.988*10^8\frac{meter}{second}}

= 0.134 seconds

So, the light would take 0.134 seconds to travel the mentioned speed. The answer without the unit is 0.134.

8 0
2 years ago
Examining the figure, how many orders of magnitude larger is a person than a bacterial cell?
Allushta [10]
Well you did not show the figure, but I can show you how to do it.

Suppose the person is 6 feet tall and the bacteria cell is 1 micrometer in length.

So, put both magnitudes in the same units. I will use meter.

Person: 6 feet * 0.3048 m / foot = 1.8288 m, which in orders of magnitud is about 2 m

Bacteria cell: 1 micrometer * 1 m / 1,000,000 micrometer = 1 * 10 ^ -6 m.

Now divide: 2m / 10^ -6 m = 2,000,000

So a person is about 2 million times larger than a bacteria cell.

If the numbers in your figure are different you can use the same method to get a new result according to your figure.
8 0
3 years ago
how would oh- in an ammonia solution compare With oh- in a sodium hydorxide solution if similar consentration
Basile [38]

hi

Thus, a sodium hydroxide solution has a greater OH– concentration than the same concentration solution of NH3. At the same concentrations, the pH of the NaOH solution is greater (more basic) than the NH3 solution.

7 0
2 years ago
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