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Blababa [14]
3 years ago
5

Scientists grow cells in a small plate called a petri dish which is filled with a gel that appears red. When you apply a swab of

cells to the dish, they grow and appear white. In a scientific experiment, fat cells, lung cells and small intestine cells were applied to the petri dish and were allowed to grow for a month but the scientist forgot to label his petri dish with the correct type of cell in each region! Based on the information below, what type of cells are in each section of the petri dish. Use data to support your answer!
Chemistry
2 answers:
k0ka [10]3 years ago
8 0
Good luck yurrrrrrrrr
Elan Coil [88]3 years ago
8 0

Answer:

B

Explanation:

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the temperature of a gas is raised from 10 to 20 degree celsius. Will the volume double the pressure if mass and pressure do not
Sonbull [250]

<u>Answer:</u>

There will be No change in volume.  

<u>Explanation:</u>

Ideal Gas Equation is used to solve this :

PV=nRT;

P is pressure in Pa,

V is volume in m^3,

n is number of moles of gas;

R is the universal gas constant, 8.31 J/K mol

T is temperature in Kelvin

when mass is said to be fixed, the number of moles will also  be fixed, too. So  combining  both the constant term n and R which gives

PV=kT

where k is  constant.

V=   \frac{k T}{P}

So the equation represents that,  Volume V will remains unchanged  when  pressure and  temperature  are both doubled, therefore the numerator term T and the denominator term P are both  gets affected by multiplication of 2, hence by cancellations:

V =   \mathrm{k} \frac{T \times 2}{P \times 2}= \frac{k T}{P}

3 0
4 years ago
Select all of the elements that are classified as metals.
ASHA 777 [7]

Answer:

Gold, sodium, aluminum

Explanation:

The metals are located on the left side of the periodic table

4 0
3 years ago
Read 2 more answers
Iron has a density of 7.86 g/cm3 (1 cm3=1 mL). Calculate the volume (in dL) of a piece of iron having a mass of 3.94 kg . Note t
Rudik [331]
1 g/cm³ --------------- 0.1 kg/dL
7.86 g/cm³ ---------- ?

7.86 x 0.1 / 1 => 0.786 kg/dL

D = m / V

0.786 = 3.56 / V

V = 3.56 / 0.786

V = 4.529 dL

<span>hope this helps!</span>
6 0
4 years ago
How are different natural disasters related? What different causes and effects of natural disasters do you know about?
pantera1 [17]

<em>Answer: The disasters are different according to their occurrence. For example, the causes of an earthquake cannot be the same as that of forest-fire. Natural disasters are caused due to different reasons like soil erosion, seismic activity, tectonic movements, air pressure, and ocean currents etc.</em>

<em />

<em>Explanation: Have a great day,</em>

8 0
2 years ago
Read 2 more answers
A powder sample weighing 250 g and having a surface area of 1 m2/g is dispersed in 1 L of water. After 10 minutes, 0.4 g of the
lisabon 2012 [21]

Answer:

a)

K = 2.64 * 10^{-8}

b)

15 \frac{5}{8} hours

Explanation:

Given

Surface Area (S) of 250 grams of powder sample = 250 square meter.

S = 2500000 square centimeter

V\frac{dC}{dT} = 0.40 grams/minute

V\frac{dC}{dT} = \frac{dM}{dT} = \frac{0.40*60}{10} = 0.66 mg per second

C_s = 0.01 gram per cubic meter = 10 mg/ml

a)

\frac{dM}{dT} = K SC_s

0.66 =  K* 2500000* 10\\

K = 2.64 * 10^{-8} cm /sec

b) Time taken

Time taken to sink

\frac{10*60}{0.4} * 37.5  = 56,250

Time in hours

15 \frac{5}{8} hours

6 0
3 years ago
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