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Nimfa-mama [501]
3 years ago
13

3) Summarize the ways the desert can help preserve a body.

Chemistry
1 answer:
Elena-2011 [213]3 years ago
8 0
3. Historically, bodies have been preserved naturally through freezing, cold or dry heat or, in the right climate, through burial in a particular type of soil.
4. They were not wrong but they are being improved by humans today.
5.true
6. False
7. True
8. True
11. The Egyptians invented and used many simple machines, such as the ramp and the lever, to aid construction processes. They used rope trusses to stiffen the beam of ships. Egyptian paper, made from papyrus, and pottery were mass-produced and exported throughout the Mediterranean basin.
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An electrically neutral atom of oxygen has eight electrons. What other facts do you know for sure about this atom? 1.) there are
Sati [7]

2.) there are eight protons

6 0
2 years ago
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Which of these substances has a definite volume but not a definite
vovikov84 [41]
I think answer should be b. Please give me brainlest I hope this helps let me know if it’s correct or not okay thanks
8 0
2 years ago
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Which term describes atoms with<br> unpaired dots in their electron dot<br> diagrams?
IRISSAK [1]

Answer:

Radicals

Explanation:

A radical refers to a chemical specie that contains unpaired electrons in their dot electron diagrams.

Radicals contain an odd number of electrons. They are commonly called odd electron species.

Radicals participate in a number of important reactions. A typical example is the halogenation of alkanes in the presence of light.

Examples of radicals include; Br. , Cl. , F. etc

8 0
3 years ago
How much heat is evolved in converting 1.00 mol of steam at 155.0 ∘c to ice at -50.0 ∘c? the heat capacity of steam is 2.01 j/(g
Ne4ueva [31]
When the specific heat capacity of the water is 4.18 J/g.°C so, we are going to use this formula to get the heat for cooling three  phases changes from steam to liquid and from liquid to ice (solid) :

when Q = M*C*ΔT 

Q is the heat in J

and M is the mass in gram = 1 mol H2O * 18 g/mol(molar mass) = 18 g

C is the specific heat J/g.°C

ΔT is the change in temperature

Q = Mw *[ ( Csteam * ΔTsteam)+(Cw*ΔTw) + (Cice  * ΔT ice)]

    = 18 g * [(2.01 * (155-100°C)) + (4.18 * (100-0°C)) + (2.09 * (0 - 55 °C))]

∴Q = 7444.8 J

and when we know that the heat of fusion for water = 334J/g

and heat of vaporization for water =  2260J/g


∴Q for the two phases changes = M * (2260+334) 

                                                      = 18 * (2260+334)

                                                      = 46692 J 

∴ Q total = 7444.8 + 46692 = 54136.8 J
5 0
3 years ago
Is this right??? If not gimme da right answer plz
NemiM [27]

Answer:

yeah

Explanation:

well, probably. they kicked me out of math class because I put a live chicken in the classroom and it pooped everywhere, so I had to clean it up and bring it back where I found it (which is the side of the road.)

3 0
3 years ago
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