What instrument, along with a telescope, allows study of the wavelengths of visible light coming from a star?

A. a shortwave radio set

B. a nuclear reactor

C. a solar flare

D. a spectrograph

What is a proton provide explanation

If you want to find a nice guy to date what do you do

The protein keratin is composed of two helical strands that wrap around each other in what is called a coiled coil. The two strands remain in contact with each other over the entire length of the protein via hydrophobic interactions.

Hydrogen gas and aqueous zinc chloride are produced by the reaction of aqueous hydrochloric acid and solid zinc. Write a balanced chemical equation for this reaction.

What is a real life example of osmotic pressure?

A sample of sulfur dioxide occupies a volume of 562 mL at 45.° C and 720 kPa. What volume will the sulfur dioxide occupy at STP?

Does a solution have to involve a liquid? Explain your answer

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How to prove that NaCl is homogeneous mixture.

How many hydrogen bonds can CH3-O-CH2OH form with water?