1 microgram = how many grams

Q: How many significant figures are present in each of the following numbers? a) 100.34 b) 2.00 c)…

A: Given,The numbers:a) 100.34b) 2.00c) 0.0045d) 3000.

Q: the human body on average contains 6 liters of blood. if 20 drops are equal to 1 milliliter, how…

A:

Q: A kilgram is 1000g?

A: The term SI base units refer to the seven units of measure which have been defined by the…

Q: An arctic ecologist measures the thickness of an ice floe. The thickness is 0.241 m. What is the…

A:

Q: A computer chip has a width of 0.75 in. What is that distance in millimeters?

A: While converting from one unit to another a conversion factor is to be multiplied.

Q: he density of a substance is 2.15 g/mL. What is the mass of 0.15 L of the substance in grams? Use…

A: Density of a substance is equal to the mass of substance divided by its volume. Write the expression…

Q: Do the indicated arithmetic and give the answer to the correct number of significant figures. I.…

A: Calculation go correct significant digit, II. 0.71 + 92.2 = 92.91 = 92.9 Result will be always…

Q: A slice of cheese has a mass of 63 g and a volume of 41 cm3. What is the density of the cheese in…

A: The density of a substance is given by:The conversion of cm3 into mL is as:

Q: 55. Round the number on the left to the number of significant figures indicated by the example in…

A: The round of the numbers is given below,

Q: Round each number to three significant figures. 25,401 1,248,486 0.001265982…

A:

Q: How many cubic centimeters are there in 2.11 yards cubed

A:

Q: how many significant figures are in 16.90

A: Number of significant figures in 16.90 = ?

Q: if an object has a density of 4.00 g/cm3, what is its density in units of kg/m3

A:

Q: write the equality and two conversions factors parts and units. nanogram and grams

A: Given : To find equality between nanogram and grams along with the 2 conversion factors.

Q: 4.31666666667   What are the significant figures?

A: Significant figures - Total number of digits in a number including the last digit whose number is…

Q: What is the mass of an object with a density of 2.3 g/cm3 and a volume of 3.54 cm3?

A:

Q: A medical laboratory test is run using a 4.8PL blood sample. What is this volume in milliliters ?

A: Given: Volume of blood = 4.8 pL The volume is given in picolitre. A picolitre is a very small unit…

Q: 4) how many significant figures are there in the following numbers. if the number is exact or…

A:

Q: MEASUREMENT Setting up a one-step unit conversion A student sets up the following equation to…

A: 1 mL = 0.001 L

Q: 299.401319818 You need 5 total significant figures Using the rules. Include all the numbers that…

A: The question is based on the concept of analytical chemistry . we need to write the given number up…

Q: How many significant figures are in the following numbers? 0.0240 g 0.10050 L 400.020 mL 20020 cm…

A: some basic rules for counting Significant digits in Given number: All non zeros are countable as…

Q: Aspirin has a density of 1.40 g/cm3g/cm3. What is the volume in cubic centimeters of a tablet…

A:

Q: Sodium Chloride was placed in a beaker and the beaker and the sodium chloride together had a mass…

A: This problem is based on the simple additive properties of mass. Mass of a system is equal to the…

Q: Convert the following numbers to 2 significant figures, use scientific notation and use the (lowest/…

A: Significant figures are defined as each of the digit present in a number which is used to express…

Q: convert 0.066 miligrams into micrograms

A: Recall the relation between miligrams and micrograms as follows          1 miligram=1000 microgram…

Q: A pharmacist measures the mass of a powdered drug. The mass is  681mg. What is the mass in grams?…

A: We have given that  The mass  of a powdered drug  = 681mg.  mass  of a powdered drug in grams = ?

Q: The density of solid gold metal is19.32/ml. If a side of a cube of gold has a length of 5.30 cm,…

A: Given,Density = 19.32g/mlLength of cube = 5.30cm

Q: A sample that has a mass of about 25 g is weighed on a balance that has a precisionof 0.001 g. How…

A: The mass of sample with a precision of 0.001 g is in between 24.999 g and 25.001 g

Q: There is a block on your desk that acts as a paperweight. Its   measurements are 3 cm by 4 cm by…

A: There is a block on your desk that acts as a paper weight   Its measurements are 3cm by 4cm by…

Matter and Measurement

In the universe, there is matter, energy, and void space. The universe contains energy and void space. The definition of matter can be considered as something which possesses mass and consumes space. Chemistry is that branch of science which deals with the study of matter. Under chemistry, nature, composition, and the changes occurring to matter are discussed.