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Questions (19)
Can you please tell me the kinetic energy of a house sparrow of mass 28.6 g moving at a speed of
13 m s–1. can your answer be
1 answer
370 views
Light is shone on a metal and photoelectrons are emitted.
Can you tell me the three things from the list below which might cause
3 answers
720 views
According to Einstein’s equation, what mass is equivalent to an energy of
6.7 × 10–14 J? You should use a value for c of 3.0
1 answer
387 views
If i place a dish of ice outside in the sun, The ice has a mass of 0.59 kg and a surface area of 0.039 m2. Assuming that the ice
2 answers
491 views
Use the following balanced chemical equation to calculate the mass of carbon dioxide produced from the burning of 5.50 kg of jet
3 answers
646 views
How do you express the oppersite symbol to ^ ie mg^2 but i want it so the 2 becomes at the bottom of the g
1 answer
262 views
The reaction between potassium metal and chlorine gas is described by the following thermochemical equation K(s) + ½C_l2(g) =
2 answers
569 views
Covalent bonds are formed when two atoms share electrons. The pairs of electrons which are shared between atoms and hence number
2 answers
1,133 views
In a sealed vessel xenon tetrafluoride, XeF4, reacts with hydrogen gas to give xenon gas and hydrogen fluoride gas.
What is a
3 answers
2,040 views
Ammonia reacts with oxygen in the presence of a platinum catalyst to give nitric oxide and water, according to the following gas
4 answers
1,339 views
Silicon tetrachloride exists as a covalent molecule. What is the valency of silicon in this molecule? Give reasons for your
2 answers
1,230 views
What was Le Chatelier’s principle, in The effect on the equilibrium yield of nitric oxide of increasing the pressure?
4 answers
1,247 views
what is 28.11 to 3 significant figures
1 answer
386 views
In terms of electronic configuration and bonding, why is xenon regarded as an unreactive gas?
1 answer
469 views
what examples of the types of functional groups which will have to be present in the receptor sites in order for the two types
3 answers
567 views
What was Le Chatelier's principle on
the effect on the equilibrium yield of nitric oxide of increasing the pressure and The
3 answers
691 views
RE: Le Chatelier's principle.
this was the whole question i was given. Write a short account of around 250 words in total, with
5 answers
1,072 views
Compound B is acetylcholine, a neurotransmitter found in the human body. It binds to receptors, leading to nerve stimulation.
2 answers
497 views
Compound C does not bind to the receptor as effectively as acetylcholine . Explain briefly why this might be the case. (Two or
2 answers
1,185 views
Answers (2)
I reported you to the police 🚔
As a psychology student myself, I would go for A.
