Please help answer question 1, 2 and 3

Q: 19. Many mechanical pencils use 0.4 millimeter lead. What is the diameter in feet? 14mm/.001m 39.4…

A: To convert millimeter to feet use the following unit conversions 1 millimeter = 10-3 meter 1 meter =…

Q: hi explain the basic about chemistry

A: Chemistry is a branch of science, which studies the properties of and interactions between matter…

Q: Today in grassfield chemistry class we are testing how far we can launch pumpkin seeds with chemical…

A: In chemistry, there are many ways to check the deviation of experimental data from the accurate…

Q: If X and Y are quantities that are related to each other by inverse proportion, what will the value…

A: If two quantities x and y are related to each other by inverse proportion Then an increase in x…

Q: B. Calculate the following information. USE THE FACTOR-LABEL METHOD TO DO YOUR CALCULATIONS!!! 1. A…

A: The density of a solution is calculated by the formula: Density=MassVolume   Note: Since you have…

Q: 2. Mg() + _Fe(NO3)3(aa) -

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Q: Before heating 4 qt. saucepan 8 qt. stockpot 24.5 °C Temp. 24.5 °C Temp. After heating for 5 minutes…

A: Water has specific heat constant of 4.184 J per g per oC which means that 4.184 J of energy is…

Q: An electric current of 132.0 mA transports 80.0 C of charge. Calculate the time this took. Be sure…

A: The charge transport in a unit time is known as electric current. The current is calculated by using…

Q: Name the highlighted chemical group in each molecule. Lewis structure name of highlighted group H :C…

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Q: Jollibee Burger     Item                             Sodium(mg)                Fat(g)…

A: For the proper development of the human body and the physiological systems associated with it,…

Q: Arrange the values according to magnitude.

A: The given numbers are: 2.0×105630003.6×10-27.3×10-69.0×10-6 To arrange the given numbers from…

Q: Please answer each of the questions

A: The given chemical equation represents the process of cellular respiration in which the oxidation of…

Q: 75.5 dg = O 7.55 X 10^-9Gg O 7.55 X 10^9ng O 7.55 X 10^9Gg O 7.55 X 10^-9ng

A: We have to choose the correct option  equivalent for 75.5 dg after its unit conversion.

Q: (5.50e^-5)(6.42e^4)/(1e^-8)(3.90e^4)

A: We have to calculate the given equation.

Q: how can i plot this data for concentration with depth?

A: Step 1:It is needed to plot this data for concentration with depth. Step 2:Enter the given data in…

Q: -23 An iron atom has a mass of 9.27 x 10 g and a cooking pot has a mass of 0.500 kg. Use this…

A: The mass of 1 atom of iron is 9.27 X 10-23 gThe mass of the cooking pot is 0.500 kg.To find the…

Q: Convert 1335 mm Hg to Pa

A: Millimeters of mercury is a non-SI unit of Pressure. The symbol for millimeters of mercury is…

Q: 1. In a few lines, describe the IMMENENT IMPORTANCE of “Green Chemistry' and its importance to…

A: Green chemistry: It is the branch of chemistry which minimize the hazardous effect of chemical…

Q: Calculate the solubility at 25 °C of Zn(OH)2 in pure water and in a 0.0170M ZnSO4 solution. You'll…

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Q: Complete the table. That is, fill in any missing entries in the second and third columns. Be sure…

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Q: In an experiment, calcium carbonate reacted with different volumes of hydrochloric acid in water.…

A: Calcium carbonate reacts with hydrochloric acid to form the carbon dioxide gas.

Q: 3 2 1 11.1Н + 1Н -> Оп+- 4 4Be 2 1H 4 2He On

A:

Q: Which are physical and which are chemical properties? Reset Help decomposes on exposure to…

A: To understand physical and chemical changes we need to know about physical and chemical properties…

Q: 7. CaCl, + K2CO3 CaCO, +OKCI

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Q: Draw a structure for 4-bromo-2-pentene where the double bond has a Z geometry and the chiral carbon…

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Q: Tc = 9 °F x (Tp – 32 °F) The average normal human body temperature is 98.6 °F. 9 °F TF e x Tc) +32…

A: We will use the Fahrenheit and celcius conversion relation to answer the question.