determine the answer for the equation below with correct number of significant figures: 6.78 x 5.903...
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determine the answer for the equation below with correct number of
significant figures:
6.78 x 5.903...
Determine the answer to the following equation with correct number of significant figures: (4.123x0.12) + 1.2...
Determine the answer to the following equation with correct number of significant figures: (4.123x0.12) + 1.2 x 0.55 = none of these 1.16 1.15 1.2 0 1.155
answer the questions A metal block has a mass of 10 grams and a volume of...
answer the questions
A metal block has a mass of 10 grams and a volume of 1 cubic centimeter. A piece of the same kind of metal with a volume of 2 cubic centimeters has a density of 2.5 g/cm^3 5 g/cm 10 g/cm^3 A metal block has a density of 5000 kg per cubic meter and a mass of 10.000 kg What is its volume? 2 cubic meters 3 cubic meters 5 cubic meters 15 cubic meters none of...
Answer all questions using the correct number of significant figures and correct units. Show all work....
Answer all questions using the correct number of significant figures and correct units. Show all work. (a) Write the balanced molecular and ionic equations, indicating the state of each species in each equation, for the reaction between Mg(s) and HCl(aq): 1. MOLECULAR: TOTAL IONIC: NET IONIC: (b) If 0.050 mol magnesium metal reacts with HCl(aq), how many moles of hydrogen gas are formed? Assume hydrogen to be an ideal gas. 2. Using the definitions for decimeter (dm), centimeter (cm), and...
remember significant figures Another Version SerPSE9 1.PO52 kilograms per cubic meter and thluncertainty in the density,...
remember significant figures
Another Version SerPSE9 1.PO52 kilograms per cubic meter and thluncertainty in the density, (Use The radius of a solid sphere is measured to be (6.35 ± 0.29) cm, and its mass is measured to be (1.76 t O.09) kg. Determine the density of the sphere nk the correct number of significant figures. use the following formula to calculate the uncertainty in the density: - Am 34-) ( の! .2x 103 kg/m [Grad° This] [Show Answer] maaan Click...
What is the mass (in grams) of a femur (leg bone) having a volume of 118...
What is the mass (in grams) of a femur (leg bone) having a volume of 118 cc? The density of bone is 1.8 g/cc. Iron has a density of 7.8 g/cc. What is the mass, in grams, of a 4.4 cm3 piece? What is the volume (in cc) of a sample of mercury that has a mass of 20.5 g. The density of mercury is 13.6 g/cc. Aspirin has a density of 1.40 g/cc. What is the volume in cubic...
Date Answer all questions using the correct number of significant figures and correct units. Show all...
Date Answer all questions using the correct number of significant figures and correct units. Show all work 1. (a) Write the balanced molecular and ionic equations, indicating the state of each species in cach equation, for the reaction between Mg(s) and HCl(aq): MOLECULAR: TOTAL IONIC: NET IONIC: (b) If 0.050 mol magnesium metal reacts with HCl(aq), how many moles of hydrogen gas are formed? Assume hydrogen to be an ideal gas. 1. Using the definitions for decimeter (dm), centimeter (cm),...
1. Express the answer to the following problems using the correct number of significant figures a....
1. Express the answer to the following problems using the correct number of significant figures a. 1.144 x 10 20.0 b. 4.77 x 101 -9.16 x 10 2. Express the Boltzmann constant (1.38065 x 102" kg m's K') in units of miles' lb yrK 3. Convert 9.997 x 101 g cm* into kg km 4. The Reynolds number is used to deseribe the conditions of particle settling If the Reynolds number is given by the following equation Where v, is...
Which of the following numbers contains the designated correct number of significant figures?
Question 7 Which of the following numbers contains the designated correct number of significant figures? 1.04 2 significant figures 0.00302 2 significant figures 0.04300 5 significant figures 156 000 3 significant figures 3.06504 significant figures Question 9 What is the mass of 53 mL of ethanol, which has a density of 0.79 g/mL? 42g 53 g 41.9 g 67.1 g 67 g
The equation for density, d, is d=m/V where m is mass and V is volume. What...
The equation for density, d, is d=m/V where m is mass and V is volume. What is the density, d, of a substance with a volume of V = 18.2 cm3 and a mass of m = 61.6 g ? Express your answer numerically in grams per cubic centimeter.
what would be the correct number of significant figures for the equation on the left below....
what would be the correct number of significant figures for the
equation on the left below.
25024 (6787.3-6782.8) log (532.4) 34.68873 25024 1734.34. = 14.428543 0.256645 1734.34 6787.3-6782.8 = 4.5 (6787.3-6782.8) = 17.533947 0.256645 25024 (6787.3-6782.8) = 31.9624911 1734.34. 0.256645 log(532.4) = 2.726238
Determine the answer to the following equation with correct number of significant figures: (4.123x0.12) + 1.2 x 0.55 = none of these 1.16 1.15 1.2 0 1.155
answer the questions
A metal block has a mass of 10 grams and a volume of 1 cubic centimeter. A piece of the same kind of metal with a volume of 2 cubic centimeters has a density of 2.5 g/cm^3 5 g/cm 10 g/cm^3 A metal block has a density of 5000 kg per cubic meter and a mass of 10.000 kg What is its volume? 2 cubic meters 3 cubic meters 5 cubic meters 15 cubic meters none of...
Answer all questions using the correct number of significant figures and correct units. Show all work. (a) Write the balanced molecular and ionic equations, indicating the state of each species in each equation, for the reaction between Mg(s) and HCl(aq): 1. MOLECULAR: TOTAL IONIC: NET IONIC: (b) If 0.050 mol magnesium metal reacts with HCl(aq), how many moles of hydrogen gas are formed? Assume hydrogen to be an ideal gas. 2. Using the definitions for decimeter (dm), centimeter (cm), and...
remember significant figures
Another Version SerPSE9 1.PO52 kilograms per cubic meter and thluncertainty in the density, (Use The radius of a solid sphere is measured to be (6.35 ± 0.29) cm, and its mass is measured to be (1.76 t O.09) kg. Determine the density of the sphere nk the correct number of significant figures. use the following formula to calculate the uncertainty in the density: - Am 34-) ( の! .2x 103 kg/m [Grad° This] [Show Answer] maaan Click...
Date Answer all questions using the correct number of significant figures and correct units. Show all work 1. (a) Write the balanced molecular and ionic equations, indicating the state of each species in cach equation, for the reaction between Mg(s) and HCl(aq): MOLECULAR: TOTAL IONIC: NET IONIC: (b) If 0.050 mol magnesium metal reacts with HCl(aq), how many moles of hydrogen gas are formed? Assume hydrogen to be an ideal gas. 1. Using the definitions for decimeter (dm), centimeter (cm),...
1. Express the answer to the following problems using the correct number of significant figures a. 1.144 x 10 20.0 b. 4.77 x 101 -9.16 x 10 2. Express the Boltzmann constant (1.38065 x 102" kg m's K') in units of miles' lb yrK 3. Convert 9.997 x 101 g cm* into kg km 4. The Reynolds number is used to deseribe the conditions of particle settling If the Reynolds number is given by the following equation Where v, is...
what would be the correct number of significant figures for the
equation on the left below.
25024 (6787.3-6782.8) log (532.4) 34.68873 25024 1734.34. = 14.428543 0.256645 1734.34 6787.3-6782.8 = 4.5 (6787.3-6782.8) = 17.533947 0.256645 25024 (6787.3-6782.8) = 31.9624911 1734.34. 0.256645 log(532.4) = 2.726238
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