Scientific conclusions are based only on observable evidence true or false

Will mark branliest. Calculating percent yield: For the reaction Cu + 2AgNO3 → Cu (NO3) 2 + 2 Ag, adding 127 grams of copper to lots of silver nitrate yields 410 grams of silver. What is the percent yield of silver? I'm desperate.

Which of the following methods is most appropriate to use to determine the number of different colored components in a sample of black ink?

A block of ice with a total mass of of 25 grams is beginning to melt. How will this physical change affect the mass of the block ice.

In which compound do atoms form bonds by sharing electrons A) H2O B) CaO C) Na2O D) MgO

X2o3 express you answer as a whole number

Which of the following has primary responsibility for eliminating alcohol from the bloodstream

A hydrocarbon with only single bonds is classified as a. an alkene. b. an alkyne. c. saturated. d. unsaturated.

How many liters of 2M solution can be made using 500. grams of KI?

How many moles of copper are present in a sample of tennantite with a mass of 2370 grams

The Calvin cycle is another name for the