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If a certain gas occupies a volume of 19 L when the applied pressure is 9.5 atm, find the pressure when the gas occupies a volume of 4.8 L

Name four things that organisms need to survive.

How many grams of iron are there in a 65.2g sample of rust, Fe2O3?

Danny sails a boat downstream. The wind pushes the boat along at 21 km/hr. The current runs downstream at 15 km/hr. What is the actual velocity of the boat? 6.0 km/hr, downstream 1.4 km/hr, downstream 310 km/hr, downstream 36 km/hr, downstream

The excretions of living organisms are best categorized as which type of factor in an environment

How do you know if the reaction is exothermic or endothermic if both phase are same?

How many elements are in a set whole numbers between 3 and 15

Calculate the percent activity of the radioactive isotope strontium-89 remaining after 5 half-lives.

Describe 2 theories for yawning

When a bimetallic bar made of copper and iron strips is heated, the bar bends toward the iron strip. the reason for this is?