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dimaraw [331]
2 years ago
7

Which of these do all cells release? and why? A. sugar B. water C. energy D. oxygen

Chemistry
2 answers:
astraxan [27]2 years ago
4 0
The answer is: A. Sugar
Lostsunrise [7]2 years ago
3 0
The answer is A.sugar
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If a gas sample has a pressure of 30.7 kPa at 0.00*C, by how much does the temperature have to decrease to lower the pressure to
Scrat [10]

Answer:

                      252.68 K  or   -20.46 °C

Explanation:

                    According to Gay-Lussac's Law, "Pressure and Temperature at given volume are directly proportional to each other".

Mathematically,

                                              P₁ / T₁  =  P₂ / T₂   ---- (1)

Data Given:

                  P₁  =  30.7 kPa

                  T₁  =  0.00 °C  =  273.15 K

                  P₂  =  28.4 kPa

                  T₂  =  <u>???</u>

Solving equation for T₂,

                  T₂  =  P₂ T₁ / P₁

Putting values,

                  T₂  =  28.4 kPa × 273.15 K / 30.7 kPa

                  T₂  =  252.68 K  or   -20.46 °C

8 0
3 years ago
What type of scientific inquiry is friction ridge analysis
Ilia_Sergeevich [38]

Answer:

Towards this goal, this project aims to develop a statistical measure of the uncertainty of the decisions made on the friction ridge evidence (i.e., evidential value of fingerprint comparison), which ultimately can be referred to as a scientific basis of the identification decisions made in friction ridge analysis.

Explanation:

8 0
3 years ago
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Xenon forms several compounds with oxygen and fluorine. It is the most reactive non-radioactive noble gas because a. its large r
muminat

Answer:

d. its effective nuclear charge is lower than the other noble gases.

Explanation:

Xenon belongs to group O on the periodic table. Most of the elements here are unreactive.

Due to the large size of Xenon, the outermost electrons have very low effective nuclear charge. Effective nuclear charge is the effect of the positive charges of the nucleus on the electrons in orbits. This effect decreases outward as atomic shell increases.

Xenon has a very large atomic radius and there is weak a nuclear charge on the outermost electrons. The more electronegative elements would be able to attract some of its outermost electrons easily and form chemical bonds with xenon much more readily.

7 0
3 years ago
What propertys does the rock state-of -matter have that wont let Logan poke his finger through it?
adell [148]
A rock is a solid, so Logan can't poke his finger through it.
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3 years ago
The brain tells his stomach intestines and liver want to be active and want to rest. Messages to and from the brain decide when
Nana76 [90]

Answer:

Nervous System I believe

Explanation:

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