One gram of gold cost 34.94. What is the cost of half a kilogram of gold?

One gram of gold cost 34.94. What is the cost of half a kilogram of gold?

Report your answer: in terms of kg. Do not include units in your answer. They will be assumed to be kg. to a precision of hundredths of a kg. Use a format like #.## in your answer. to...

What is the mass of 1.2 x 10^-3 moles of sodium chloride? – Show Work

What mass would 4.06 moles of water have? – Show Work

How many grams of sulfate ions would be in 2.5 moles of sulfate? (Remember sulfate is a polyatomic ion). – Show Work

A square prism container with the base of 5 cm x 5 cm is partially filled with water. You drop a clip of metal with mass 525 g into the container, and the water level rises to centimeters. What...

Which has more mass: A solid cylinder of gold with a height of 5 cm in a diameter of 6 cm or a solid cone of platinum with a high of 21 cm and a diameter of 8 cm? Prove your answer mathematically...

Chemist dean dalton is given a clump of metal and is told that it is sodium. He finds that the metal has mass 145.5 g. He places it into a non reactive liquid in a quake prism whose base measures...

density review questions

A uniform meter rule of mass 90g is pivoted at the 40cm mark. If the rule is in equilibrium with an unknown mass M placed at the 10cm mark and a 72g mass at the 70cm mark, determine M

A uniform meter rule AB is balance is balance on a knife edge which is 55cm from B. If a mass of 10g is hung at P, which is 10cm from A. Calculate the mass of the rule

Explain the difference between the average atomic mass given on the periodic table and the mass of an atom.

I dont know how to calculate the mass of 30cm3 piece of potassium

An isotope of iron (Fe) has 26 protons and 32 neutrons. a. What is the approximate mass of this isotope? b. Write the symbol for this isotope.

A rollercoaster track provides 6400 N of centripetal force on a rollercoaster car. The car travels at a speed of 22 m/s as it rounds a horizontal curve with a radius of 15 m. What is the mass of the...

Cant seem to find the mass of potassium

DOnt know how to find mass

The following questions refer to a pop-up toy with a mass of 0.35 kg. The toy's spring compresses 0.04 m, and has a spring constant of 3,000 N/m. How high does the pop-up toy...

You are to separate the two components of a mixture of sand and sugar. The initial mass of the mixture is 32.4563g. You found that the mass of sand was 19.5642g. A) Describe the...

You place a very hot piece of aluminum (T=120 degrees C, c=900 J/(kg*degrees C) into a 500ml beaker of water that is already at an initial temperature of 90.0 degrees C. The mass of this piece of...

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