153 Answered Questions for the topic ACT Science

Act Science Science Physics

07/09/22

Physics problem: rope sliding off the fence
A rope of length l<h is thrown over a fence of height h. Initially, the rope is in equilibrium position. At some moment, the equilibrium is lost and the rope slides off the fence. Find how much... more
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Act Science Science Physics

07/09/22

Two balls undergoing an elastic collision
Two balls of masses m1=0.3 kg and m2=0.2 kg are hanging on the same kind of thin threads that are attached to the same point. Keeping the thread tense, the first ball is raised to the height of H=7... more
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Act Science Science Physics

07/09/22

Interesting physics problem about a rope attached to an inclined plane
After many attempts, I don't really understand how to solve this physics problem:A rope of lenght l=20 cm is attached to an inclined plane (plane's angle of displacement is α = 30°). The other end... more
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Act Science Science Physics

07/09/22

Physics problem: connected inclined planes
There are two inclined planes with the same curvature and the same mass M put on a horizontal surface. A small body of mass m is set to slide off (without friction) from height h on one plane.... more
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Act Science Science Physics

07/08/22

Hard physics problem about object attached to a thread
A thread of lenght l<AB is tied to the top (point A) of the stem AB. The other end of the thread is attached to an object. The thread is stretched out horizontally and then the object is... more
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Act Science

11/21/21

3. Explain the reason for not usually getting the amount of water withdrawn from the balloon been equal to the amount used to inflate the balloon
3. Explain the reason for not usually getting the amount of water withdrawn from the balloon been equal to the amount used to inflate the balloon
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Act Science Science Biology Chemistry

11/18/21

What are the main functions of underground stems?
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Act Science Science Physics Mechanics

11/06/21

Question about the weight of an object in water
A rod made of aluminum is submerged in water. Water density is 1000 kg/m3, aluminum density is 2700 kg/m3. How many times the weight of the rod is greater in the air than in water. Correct answer:... more
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Act Science Science Biology Genetics

10/18/21

A positive correlation between genetic differentiation and geographic distance (isolation by distance) is expected from what type of model?
I think it is B, I tried googling it, but I am very confused. A) Wright-Fisher Model with MigrationB) Continent-Island Model of Migration C) Stepping-Stone Models D) Isolation-with-Migration Models
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09/19/21

Physics question about resistors
You are given six resistors each of value 10 ohms, how will you connect them to give a total of 10 ohms? I need this to draw a circuit diagram of this arrangement but am unable to figure it out.
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06/12/21

Hello. Please don’t bypass my question. My homework is due in 30 minutes and I need lots of assistance!
2 NH3 + 3 CuO g 3 Cu + N2 + 3 H2OIn the above equation how many grams of N2 can be made when 170 grams of CuO are consumed?Round your answer to the nearest tenth. If you answer is a whole number... more
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Act Science Math Science Biology

05/24/21

Using EcoRI, which cuts at 5' GAATTC 3', indicate how many strands would be produced?
5’ A G A A T T C G C T T A A G T C G A C G T A A G C C G G A A T T C C A T T C G A A T T A G 3’ 3’ T C T T A A G C G A A T T C A G C T G C A T T C G G C C T T A A G G T A A G C T T A A T C 5’ Using... more
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05/04/21

Context Inequality Graphically
Austin and his children went into a restaurant where they sell drinks for $1.50 each and tacos for $3 each. Austin has $30 to spend and must buy at least 15 drinks and tacos altogether. Also, he... more
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Act Science Science Biology Chemistry

05/04/21

My goodness I have been needing help with my chemistry homework for many days and I was told that wyzant tutors can help. Please help me correctly as soon as possible please

Sodium chlorate decomposes into sodium chloride and oxygen gas as seen in the equation below. 2NaClO3­ --> 2NaCl +3O2 How many moles of NaCl were produced by 7 moles of NaClO3­? Round your... more
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Act Science Science Biology Chemistry

05/04/21

I have been ignored and helped incorrectly by tutors please would someone kindly help me with my chemistry homework

1.) 2 NH3 + 3 CuO g 3 Cu + N2 + 3 H2OIn the above equation how many moles of N2 can be made when 13 moles of CuO are consumed? 2.) Sodium chlorate decomposes into sodium chloride and oxygen gas as... more
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Act Science Science Biology Chemistry

05/04/21

Please understand that no one has helped me and I need help with my chemistry homework please help me please respond
1.) S   + 6 HNO3 --> H2SO4 + 6 NO2 + 2 H2OIn the above equation how many moles of H2SO4 can be made when 56 moles of HNO3 are consumed?2.) S   + 6 HNO3 --> H2SO4 + 6 NO2 + 2 H2OIn the above... more
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Act Science Science Biology Chemistry

05/04/21

Many tutors have helped me with this question in chemistry homework incorrectly please someone respond and help me as soon as possible please

1.) 3 Cu + 8HNO3 --> 3 Cu(NO3)2   + 2 NO + 4 H2OIn the above equation how many moles of water can be made when 25 moles of HNO3 are consumed?2.) Sodium chlorate decomposes into sodium chloride... more
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Act Science Science Biology Chemistry

05/04/21

So no one has helped me with my chemistry homework at all and I really need it so please someone respond and help me as soon as possible

1.) 3 Cu + 8HNO3 g 3 Cu(NO3)2   + 2 NO + 4 H2OIn the above equation how many moles of NO can be made when 58 moles of HNO3 are consumed? 2.) 2 NH3 + 3 CuO g 3 Cu + N2 + 3 H2OIn the above equation... more
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Act Science Science Biology Chemistry

05/03/21

Hello I have been needed help for days with my chemistry homework. Would someone kindly help me as soon as possible please

Sodium chlorate decomposes into sodium chloride and oxygen gas as seen in the equation below.  ­­2NaClO3­ --> 2NaCl +3O2 How many moles of NaCl were produced by 7 moles of NaClO3­? Round your... more
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Expert Answers •1
Act Science Science Biology Chemistry

05/03/21

I am in desperate need of help with my chemistry homework as soon as possible please because I have been ignored by many tutors for hours
1.) 2 NH3 + 3 CuO g 3 Cu + N2 + 3 H2OIn the above equation how many moles of N2 can be made when 13 moles of CuO are consumed? 2.) Sodium chlorate decomposes into sodium chloride and oxygen gas as... more
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Expert Answers •1
Act Science Science Biology Chemistry

05/03/21

Hi so um I need help with my homework and I have needed help for many hours please someone respond and help me as soon as possible

1.) S   + 6 HNO3 --> H2SO4 + 6 NO2 + 2 H2OIn the above equation how many moles of H2SO4 can be made when 56 moles of HNO3 are consumed?2.) S   + 6 HNO3 --> H2SO4 + 6 NO2 + 2 H2OIn the above... more
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Act Science Science Biology Chemistry

05/03/21

I need so much help with my chemistry homework because I have been stuck for days please help me as soon as possible please

1.) 3 Cu + 8HNO3 --> 3 Cu(NO3)2   + 2 NO + 4 H2OIn the above equation how many moles of water can be made when 25 moles of HNO3 are consumed?2.) Sodium chlorate decomposes into sodium chloride... more
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Act Science Science Biology Chemistry

05/03/21

Hello so no tutor has helped me and I am in desperate need of help with my chemistry homework as soon as possible please

1.) 3 Cu + 8HNO3 g 3 Cu(NO3)2   + 2 NO + 4 H2OIn the above equation how many moles of NO can be made when 58 moles of HNO3 are consumed? 2.) 2 NH3 + 3 CuO g 3 Cu + N2 + 3 H2OIn the above equation... more
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05/03/21

Hola please understand that I have needed help with my homework for weeks please someone actually respond and help me

1.) For the reaction C + 2H2 → CH4, how many grams of hydrogen are required to produce 17 moles of methane, CH4 ?Round your answer to the nearest tenth. If you answer is a whole number like 4,... more
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05/03/21

Hi so no tutors have helped me at all I need so much help. I have needed help for many hours with my chemistry homework please help me as soon as possible please

S   + 6 HNO3 → H2SO4 + 6 NO2 + 2 H2OIn the above equation, how many grams of water can be made when 4.4 moles of HNO3 are consumed?Round your answer to the nearest tenth. If you answer is a whole... more
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