How many significant figures should be present in the answer of the following calculations: 2.5 x 1.25 x 3.5/2.01

How many grams of ethylene glycol (C2H6O2) must be added to 1.15 kg of water to produce a solution that freezes at - 4.46°C?

Why does the water cycle happen fast in some places and slowly in other places?

The pressure of 2.73 mol of an ideal gas in an enclosed rigid container at 20.3° C is 153kPa. What is the volume of the container in liters? (R 8.31 L-kPa/mol-K)

Anhydrous magnesium nitrate will decompose when heated giving a white solid and a mixture of two gases X and Y

How do you convert nanometers into meters?

Which of the following IS a valid piece scientific evidence?

How are the input and output forces of the parts of a complex machine related?

Which would most likely be done while designing a solution? researching the current uses of a fuel type sketching a diagram of a new medical device reporting the results of using a prototype redesigning a model airplane that did not fly well

A sample of Xe takes 75 seconds to effuse out of a container. An unknown gas takes 60 seconds to effuse out of the identical container under identical conditions.

D a distinct pattern in the elements and proposed the law of octaves. What were his conclusions?