What is the force in newtons acting on a 5.2 kg package of nails that falls off a roof and is on its way to the ground?

Q: The speed of light in a vacuum is 2.998X10⁸m/s. What is itsspeed in (a) km/h; (b) mi/min?

A: Speed of light- This phenomenon is is proposed by Einstein in 1905. It is denoted by ‘c’. It is…

Q: The temperature at which all molecular motion stops. a. absolute zero b. boiling point c. Boyle's…

A: Absolute Zero- The minimum temperature (that can be theoretically achieved), at which the motion of…

Q: Choose all of the processes from below which describe changes which are independent of the path by…

A: a) The given process is independent of the path.    b) The given process is dependent of the path.…

Q: After sitting on a shelf for a while, a can of soda at a room temperature (69°F) s placed inside a…

A: Given: Ta = the temperature surrounding the object = temp. of refrigerator = 37oF To = initial…

Q: 6. Which causes the high density of solids? a) b) c) d) The particles are more massive than those in…

A: The density of solids are high compare to liquids and gases because intermolecular force of…

Q: Differentiate between solids and liquids in terms of the arrangement AND motion of the particles

A: Difference between solids and liquids on the basis of their arrangement and motion of the particles…

Q: a = 1.1x102 HCIO, 0.05 一 H + ClO, C -X 十X 十X 0.05 X

A: Given that 0.05M chlourus acid decompose into its ions. and its ionisation constant also given that…

Q: Given the measurement of 7.00 L,  (a) what is the accuracy of this measurement? (b) what is the…

A: (a) The accuracy of 7.00L is 2.(accuracy of a number is the number of digits to the right of the…

Q: What is the approximate difference between the temperature of a boiling liquid in a conical vial and…

A: The boiling point of a liquid is furnished as the temperature at which the pressure of the vapor of…

Q: A contractor has 215 bags of cement. Each bag weighs 25.0 kg. How many tonnes of cement does the…

A: Often while calculating, there is a need to convert units from one system to another system. The…

Q: The density of air is 1.29 grams/L. What is the weight, in kilograms, of a cubic meter (1.00m^3) of…

A: Given,Density of air = 1.29grams/Liter.

Q: What is the mass of an object that has 20 N of force and acceleration of 4 m/s2

A: According to Newton's second law of motion, F = m a F is the force m = mass a = acceleration.

Q: A 571.4 mL sample of carbon dioxide was heated to 371 K. If the volume of the carbon dioxide sample…

A: According to ideal gas equation, temperature is directly proportional to volume of the gas.  ideal…

Q: A boy takes his dog for a walk. The dog is pulling with a force of 30N to the right and the boy is…

A:

Q: 1. What is a force of 2 kg-m/s² equivalent to in newtons? What is a force of 2 Ibm •ft/s" equiv-…

A: Conversion of units is the conversion between different units of measurement for the same quantity,…

Q: A 324.0 mL sample of carbon dioxide was heated to 303 K. If the volume of the carbon dioxide sample…

A: This question is simple conceptual problem and based the "Charles law". In this question we have to…

Q: Gold is alloyed (mixed) with other metals to increase itshardness in making jewelry. (a) Consider a…

A: (a) calculate the percentage of gold (by mass) in the jewelry,

Q: The temperature of a liquid is 15oC.  What is this in K?

A: Celcius is one of the units of temperature.  The SI unit of temperture if Kelvin.

Q: Total surface size is dependent on particle size. The smaller the particles are: O smaller the total…

A:

Q: What are the examples of nanostructures?

A: A nanostructure is an object that has at least one dimension equal to or smaller than 100…

Q: 5. What determines the speed at which a particle of matter moves? A. whether it is in a compound or…

A: c) how much energy it has

Q: Household ammonia is a solution of ammonia gas and water, and it is used as a general purpose…

A:

Q: Differentiate the following and give examples: AR grade CP grade USP grade

A:

Q: An automobile of 3000 kg travels toward north with a constant velocity of 70 km/h . All forces…

A: Force is given by: F=m×a where m is the mass and a is the acceleration.

Q: 8. Convert 46.8°C to degrees Fahrenheit and Kelvin.

A:

Q: What is the equivalent weight of the vehicle?

A: below.

Q: What is the value of 98 °F in units of °C?

A: oF can be converted to oC by using following formula.  (oF -32) x (5/9) = oC

Q: An object with a mass of 2300 g has a force of 6.2 newtons applied to is the resulting acceleration…

A: We have given that  Mass of an object = M = 2300g = 2.30 Kg   Force applied = f =  6.2 N  = 6.2 Kg•m…

Q: Enumerate the characteristics of a substance for it to be separated from the heterogeneous mixture…

A: Steam distillation is a process of distillation at temperatures Lower than the normal boiling point…

Q: A 540.3 mL sample of carbon dioxide was heated to 307 K. If the volume of the carbon dioxide sample…

A: Given: Initial Volume V1 = 540.3 mL = 0.5403 L Initial Volume V1 = 789.6 mL = 0.7896 L.  Final…

Q: Sulfur dioxide gas, SO₂(g), contributes to acid rain. Natural sources of sulfur dioxide include…

A:

Q: Round your answers to the correct number of significant figures. Only use numbers in your answer.…

A: Conversion of temperature into Kelvin scale: -173°C=-173+273.15K=100.15 K127°C=127+273.15K=400.15 K

Q: Directions: Based on the picture below, identify what state of matter is being represented. Write a…

A: The objective of the question is to briefly describe the arrangement of the particles given in the…

Q: A drink sold in a health food store contains 0.50% (w/v) of vitamin C. What volume would you have to…

A: This problem can be solved by using the formula given below as; %wv = Mass of solute (g)Volume of…

Q: Convert 310.0k to degrees Celsius and degrees Fahrenheit.

A: we know, the formula for the conversion from Kelvin to degree celsis is: => °C = K - 273.15…

Q: 1. A 20.0 kg object that can move freely is subjected to a resultant force of 45.0 N in the -x…

A: Concept: Force acting on a body is given by the following equation F = ma  F= force  m = mass  a =…

Q: Newton’s second law of motion states that larger things need more force to move them than lighter…

A: According to Newton’s second law of motion states that larger things need more force to move them…

Q: hite) + 3H2 +49.03kJ C6H6 cation:

A: Mass of carbon = 5.81 g Moles of Carbon = 5.81/12 = 0.484 mol □H = = 49.03 kJ

Q: A sample of gaseous substance at 25 degrees Celsius at 0.862atm has a density of 2.26g/L. What is…

A:

Q: Which is not a physical property of chlorine? The color of gaseous chorine is green. Chlorine…

A: A physical property is any property that is measurable without changing the composition of matter.…

Q: A 145.3 mL sample of carbon dioxide was heated to 301 K. If the volume of the carbon dioxide sample…

A: Charles law states that the volume of an ideal gas is directly proportional to the absolute…

Q: A 5.00g sample of sand and salt is 75.0%w/w salt. How many grams of salt and sand are in the…

A: Mass percentage can be defined as the parts of a substance (A) per hundred parts of the total by…

Q: What is the standard 2C5H10(1) + 1502(g

A: Change of enthalpy during the formation of 1 mole of the substance from its constituent elements…

Q: How many joules of heat are required to change 563 grams of solid ice with a temperature of 260…

A:

Q: A balloon is inflated to a volume of 5 liters at room temperature (28oC) and placed into a freezer…

A: According to ideal gas law, PV = nRT where P = pressure V = volume n = moles R = gas constant T =…

Q: If you are traveling to nevada and it takes 458.2 miles to get there from Coalinga, how fast will…

A:

Q: A 1.06 den silk fiber has reached its maximum tenacity value. How many grams (force) would it take…

A: Given: Specification of silk fiber = 1.06 den It has reached maximum tenacity value. We know that,…

Q: The goose has a mass of 18.6 lb (pounds) and is flying at 9.40 miles/h (miles per hour). What is the…

A: Mass of Goose (m) = 18.6 pounds Velocity of Goose (v) = 9.40 miles/hr