Master Chemistry with Fun Quizzes & Brain Teasers!

If a compound with a density of 9.0 g/cm^3 occupies 37.6 in^3, what is its mass in kg? 2.54 cm = 1 in
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Identify each type of bond:
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The density of copper is 8.94 g/cm3. An irregular shaped sample of metal is 14 g and displaces a volume of 2.98 mL. (a) Find the density of this unknown metal. (b) Is this metal copper?
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Some animals only have ___ cell.
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If 2.03 g of oxygen react with carbon monoxide, how many grams of CO2 are formed?
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How many chloride ions are in 0.486 moles of chloride ions?
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can sb helppppppppppppp
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What is the limiting reactant in the following reaction if 1.63g of NH3 is reacted with 3.47g of Cl2 ?4 NH3 + 3 Cl2 3 NH4Cl + NCl3a. Cl2b. NCI3c. NH4Cld. NH3
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A solution containing HCI would likely havea high pH and a low pOH.a low pH and a high pOH.a high pH and a high pOH.a low pH and a low pOH:Plz help
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PRACTICE1. The mathematical statemel, 2 + 2 = 4, is a fact. Imagine you have a bunch of apples. How could you use theapples to prove this statement is a fact?
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4. The shallow pits where sea water iscollected for evaporation are called:(a) ponds(b) lakes(c) lagoons(d) rivers
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differentiate between metals and non metal
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QUANTITATIVE CHEMISTRY QUESTION!!When heated calcium carbonate forms calcium oxide and dioxide The equation for the reaction is;USE THE IMAGE ATTACHED TO WORK OUT THE ANSWER FOR ME PLEASE I WILL MARK YOU THE BRAINIEST IF YOU HAVE COMPLETED THE QUESTION CORRECTLY
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Tiny water droplets in the air disperse the white light of the sun into a rainbow. What is the energy of a photon from the red portion of the rainbow if it has a frequency of 4.57 10^14s^1?
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A compound is made up of 28 g N, 24 g C, 48 g O, and 8 g H .What is the empirical formula?
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If 110. grams of potassium carbonate (K2CO3) is dissolved into 300. mL of solution, what is the molarity of the solution?
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How is raw steel made and how is it different from raw iron?
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How many kilojoules are needed to raise the temperature of 234 g of water from 19.8 C to 33.1 C?
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How can you change the properties of steel E.G designing steel
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the following isotope has
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identify the following atom
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what did we discover with this experiment
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______ and _____ are found in the nucleus
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Which element can join with other elements to form covalent bonds? beryllium (Be) carbon (C) cesium (Cs) iron (Fe)
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