FRider Beam 200 300 、 時30 10 20 40 50 60 70 80 90 100 6 7 10 3. 2.

Q: please give answer in step by step

A: 1.ppm concentration of DDT=0.044 2.ppm concentration of DDT=0.35Explanation:Question number 1 Mass…

Q: The mass unit associated with density is usually grams. If the volume (in mL or cm3) is multiplied…

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Q: Underline significant figures 24040 0.04800 4.020 1.08 x 105 0.0022 9000000 2.00 x 10-5 8.60 x 102…

A: The Significant figures are determined by using the rules of significant figures, 1. Non Zero digits…

Q: Multiply or divide the following measurements. Be sure each answer you enter contains the correct…

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Q: 41. Read each instrument to the correct number of significant figures. Laboratory glassware should…

A: Laboratory equipment refers to the various tools and equipment used by scientists working in a…

Q: Fill in the blanks. Standard Numbers 0.0350 6,700 Scientific notation 3.500 x 10² 4.6 x 10-3

A: Steps to convert a number from general format to scientific notation :  Move the decimal point so…

Q: Classify these substances. More than one answer may apply in each case. N2 solution O homogeneous…

A: Element - It is a pure substance made up of only a single atom.  Compound - It is a pure substance…

Q: Y Part C Iron has a density of 7.86 g/cm³. Calculate the volume (in dL) of a piece of iron having a…

A: Given data set:Density of Iron = 7.86 g/cm^3Mass of Iron piece = 4.82 kgWe need to calculate the…

Q: Complete the table below. ks cg 7000 mm 6 ML = = 9000 s 4 g m

A: We know that:  1 ks = 1000 s  1 g = 100 cg  1 m = 1000 mm 1 L = 1000 mL

Q: ᴀ ꜱᴛᴇᴇʟ ᴛʀᴀɪɴ ʀᴀɪʟ ɪꜱ 400 ᴍᴇᴛᴇʀꜱ ʟᴏɴɢ, ɪɴ ᴍᴀʀᴄʜ ɪᴛ ɪꜱ -30 ᴅᴇɢʀᴇᴇ ᴄ ᴀɴᴅ 40 ᴅᴇɢʀᴇᴇ ᴄ ɪɴ ᴊᴜʟʏ. ᴡʜᴀᴛ ɪꜱ…

A: Detailed solution is provided.

Q: • CO2H 3000 B • OH 2000 C 1500 • CO2H 1000 cmt

A: Given Compounds:A-  Cyclohexanoic acidB- PhenolC- Benzoic AcidD- CyclohexanolTo Identify the…

Q: Follow the format used in the image provided and the answer must be in scientific notation. mL to…

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Q: Employ the method of dimensional analysis to convert 1 cubic yard to tonnes of water. Assume a…

A: Using dimensional analysis method the given 1 cubic yard is converted into to tonnes of water as…

Q: Multiply or divide the following measurements. Be sure each answer you enter contains the correct…

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Q: Calculate mass density with conversions (I attached picture)

A: Given data:Volume of the unknown liquid = 1378 cm3                                                =…

Q: Kp for the reaction CO2(g) + C(s) = 2C0(g) is 1.47 at 727°C. Calculate Kc at this temperature.…

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Q: It isn't always best to use the instrument with the highest precision. For example, instruments of…

A: Given: High precision instruments and low precision instruments and some situations ard given  To…

Q: A CCA chemistry student needed to determine the % hexane in an unknown sample. The student…

A: The given Data :

Q: orm-1 (1).pdf (page 1 of 2) -Edited Q Search 9.51 Length cm mm 1.68 Width cm mm 1.21 Thickness cm mm…

A: Given: Length 9.51cm Width 1.68cm Thickness 1.21cm

Q: A liquid in the lab has a density of 1.24 g/cm. What is the mass in grams of 254 mL of the liquid?…

A: The density of a substance is defined as a mass of a unit volume of the substance. The density of a…

Q: Express 3.78 m³ in units of cm³.

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Q: Convert 2.554 mg/mLmg/mL into pg/mLpg/mL.

A: Density is defined as the mass per unit volume. It is represented by. The relation for density is…

Q: 250 m^3 to mm^3  239 cm^2 to km^2

A: 1m = 103 mm  1m = 102 cm  1km = 103 m  1km = 105 cm 1 m3 = 109 mm3  1km2 = 1010 cm2  1 cm2 = 10-10…

Q: 1 mg is the same as O 1/10 cg O 100 cg 1/1000 kg 10 g

A: The symbol, mg is used to express the mass of substance.

Q: Platinum has a density of 21.45 g/cm³ 25 °C. On the other hand, water at this temperature has a…

A: Given - Density of platinum at 25°C = 21.45 g/cm3            Density of water at 25°C = 0.99997 g/ml…

Q: QUESTION 14 What is the molar mass of 1-pentene if 4.30 x 1016 molecules of 1 pentene weigh 5.00 µg?…

A: I ANSWER ONLY QUESTION 14,AS YOU ASKED.

Q: Part D Complete the fourth row. Express your answer using three significant figures. Enter your…

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Q: Complete each of the following calculations, and give your answer to the correct number of…

A: Answer:In the given problem we have to perform the fundamental mathematical operations and have to…

Q: Decide whether each proposed multiplication or division of measurements is possible. If it is…

A: Decide whether each proposed multiplication or division of measurements is possible or not. If it is…

Q: You are supplied with another cylinder made of the same material. If the cylinder length is 1.83…

A: Volume of the cylinder can be determined from its length and radius. Mass of the cylinder can be…

Q: 22. Any metric unit with the power of 1x1018 uses the prefix: 23. Any metric unit with the power of…

A: Since you have posted multiple sub-parts, we are entitled to answer the first 3 only.

Q: Calculate the mass in kilograms of a 1.70 kg object when its velocity, relative to us, is each of…

A: Given: Mass of object=1.70 kg Velocity of light=3×108 m/s To calculate: Mass at different velocity

Q: Complete the table below. ML = 600 cs = 60 dg mm = = X 2 000 000 L S 0 g Ś 2 m

A: Unit conversion means convert one form in to another. In the given question, it has been asked to…

Q: Convert the $ value of 5 houses to the number of tomatoes found in burgers. Use scientific notation.…

A: Given: Number of houses = 5 Cost of each house = $ 8.5 × 105  Cost of each burger = $ 6.50 And…

Q: Iron has a density of 7.86 g/cm° (1 cm' = 1 mL). Calculate the volume (in dL) of a piece of iron…

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Q: QUESTION 3 The density of air under ordinary conditions at 25°C is 1.19 g/L. How many kilograms of…

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Q: Give an example from which the difference of Accuracy and Precision is described and explain why it…

A: Accuracy is the degree of closeness of measurements to the true value or reference value Precision…

Q: /Effervescent tablets bubble when the citric acid and baking soda in them react.

A: A question based on chemical properties, which is to be accomplished.

Q: Solve the following problem with the correct number of significant figures.    5.31 cm + 8.4 cm +…

A: Significant figures refer to the number of digits that are involved in the determination of the…

Q: ... Note: All numeric answers must be given with correct number of significant figs. Unit…

A: Standard data: 10-6 s = µ s    103 L = 1 m3

Q: 1.) 600×190 Express your answer with the appropriate number of significant figures. 2.) 2.50(4)(35)…

A: Scientific figures for the above given numbers are as follows.

Q: How many sig figs in this number?   1.76000 x 106

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Q: The density of water is 1.00 g/mL. If your swimming pool holds 208,000 gallons of water, what is the…

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