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Vaselesa [24]
2 years ago
6

PLEASE HELP!!!! Which is a correct statement of Newton's second law? Question 1 options: Every action has an equal and opposite

reaction. An object in motion stays in motion, and an object at rest stays at rest unless acted upon by a net force. Every mass in the universe is attracted to every other mass in the universe. When an object experiences a net force, it will accelerate at a rate determined by its mass.
Chemistry
2 answers:
miss Akunina [59]2 years ago
6 0
The correct answer is When an object experiences a net force, it will accelerate at a rate determined by its mass. <span />
ser-zykov [4K]2 years ago
5 0
The correct answer is When an object experiences a net force, it will accelerate at a rate determined by its mass.
i took the test 
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aleksandr82 [10.1K]

A i dolnt reaally know but yeh

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2 years ago
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Why is molybdenum a good conductor of electricity
SCORPION-xisa [38]

Answer: Because it is has a strong connection

Explanation:

7 0
3 years ago
Write sulfur dioxide reactions
scZoUnD [109]

Answer:

Sulfur dioxide is a covalent bond because  we have two non-metals (Sulfur and Oxygen).

S + O_{2} \to SO_{2} (<em>Sulfur dioxide formula)</em>

It's called Sulfur dioxide but it can be called Sulfurous anhydride and Sulfur (lV) oxide.

Sulfur dioxide can have different reactions:

  • In the presence of oxygen oxidation of sulfur dioxide to sulfur trioxide occurs and the formula is:

SO_{2}+\frac{1}{2} O_{2}= SO3

The equal is because  it's a reversible equation. This reaction is spontaneous.

  • The sulfur trioxide reacting with water produces sulfuric acid. The formula is:

3 SO_{2} + O_{3} \to 3 SO_{3}\\SO_{3} + H_{2}O \to H_{2}SO_{4}

  • Also the sulfur dioxide reacting with  sodium hydroxide produces sodium sulfite and the formula is:

SO_{2} + 2 NaOH \to Na_{2}SO_{3} + H_{2}O

  • And finally we have the reduction of sulfur dioxide (it can be in presence of  hydrogen sulfide) getting elemental sulfur and water. The formula is:

SO_{2} + 2 H_{2}S \to 3 S + 2 H_{2}O

7 0
3 years ago
How are the excited electrons from stage 1 used in stage 2 of photosynthesis? A. Splitting of water b. Carbon fixation c. Format
Gnom [1K]

Answer;

D. Formation of NADPH

Explanation;

During the process of photosynthesis light is converted to chemical energy.

During stage 1, Excited electrons that leave the chlorophyll pigments in stage 1 are used. Excited electrons are passed through proteins in the thylakoid membrane like a ball being passed from person to person. H2o molecules split and turn into H+ molecules and O2 gas, then pigments take the electrons from the split water molecules and release O2 into the atmosphere.

During stage 2; electrons from 1st cluster pump H+ ions into the thylakoid membrane through the hydrogen ion pump (protein membrane. Higher concentration of H+ ions inside the thylakoid membrane compared to outside. H+ ions diffuse out of the thylakoid throught the ATP synthase (enzyme in membrane). ATP synthase catalyzes the reaction ADP + P ---->ATP.

Stage 2; Excited electrons + H+ ions + NADP+= NADPH

6 0
3 years ago
Compound A contains 5.2% by mass of nitrogen as well as C, H and O. Combustion of 0.0850 g of compound A gave 0.224 g of CO2 and
mars1129 [50]

Answer: the empirical formula is C7H13O10N

Explanation:Please see attachment for explanation

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