Why must scientists use standard units of measure in their experiments

You walked outside at lunch time on March 21st and look up in the sky and see the Sun directly overhead. You recall that there will be equal lengths of day and night on this particular day.

A sample that contains 4.26 mol of a gas at 237 K has a pressure of 0.559 atm. What is the volume? Answer in units of L.

Calculate the total heat energy needed to convert 100 g of ice at - 10°C to steam at 110°C.

How much does one mole of carbon weigh (round to two decimal places) ? Make sure your answer has units.

Explain some ways in which minerals are classified

Write the complete electron configuration for the noble gas found in the third period

Convert 0.023 kg to centigran

How many unpaired electrons arethere in Cu1 + ion

A 750 mL sample of nitrogen is heated from 30°C to 92 C at constant pressure. What is the final volume?

Write a brief explanation about why a plant extract is a mixture