Relation between density, height, and surface tension is as follows. The following Which of the following is a characteristic of turbulent flow? 6 quibs is equal to 6 sleps. The entire system is thermally insulated. Save and Exit …, ative atomic mass of this element. Add your answer and earn points. --------------------------c) What is the Km in the presence of inhibitor? If air is blow n with a straw under of the pans of a physical balance present in equilibrium position, then that pan. If you have 75 quibs of skvarnick, how many sleps do you have? Thus, we can conclude that value of surface tension is . The table shows the mass number and the isotopic abundance of each isotope in a sample of this element. If the volume rate of flow, at cross section 'a' is V, the volume rate of flow at cross section $\frac{a}{2}$ is, Bernoulli's theorem is applicable in the case of. The block of wood now, In order that a floating object be in a stable equillibrium, its centre of bouyancy should be. The surface tension and vapour pressure of water at 2 0 o C is 7. 5. B is completely evacuated. Surface tension is the tendency of liquid surfaces to shrink into the minimum surface area possible. …. For which one of the following, Bohr model is not valid? The amount of fossil fuels formed is greater than the amount used D) The stop cock is suddenly opened. The surface tension of water at 20°C is 75 × 10–3 N/m. --------------------------b) What is the Km in the absence of inhibitor? In turbulent flow, the velocity of the liquid molecules in contact with the walls of the tube. You may need to download version 2.0 now from the Chrome Web Store. O The amount of fossil fuels formed is approximately the same as the amount used. What is the correct formula that would result from the combination --------------------------d) What kind of inhibitor is it likely to be? Performance & security by Cloudflare, Please complete the security check to access. B) The surface tension and vapour pressure of water at 20°C is 7.28 × 10-2 N m-1 and 2.33 × 103 Pa respectively. Surface … 2 8 × 1 0 − 2 N m − 1 and 2. If you are at an office or shared network, you can ask the network administrator to run a scan across the network looking for misconfigured or infected devices. The refractive index of a particular material is 1.67 for blue light, 1.65 for yellow light and 1.63 for red light. …, data are obtained: [S] V0 -Inhibitor +Inhibitor 0.0001 33 17 0.0002 50 29 0.0005 71 50 0.001 83 67 0.002 91 80 0.005 96 91 0.01 98 95 0.02 99 98 0.05 100 99 0.1 100 100 0.2 100 100a) What is the Vmax in the absence of inhibitor? Mark this and return, You are on an alien planet where the names for substances and the units of measures are very unfamiliar. You can trade this skvarnick for gold coins, but the vendors all measure skvarnick in units of sleps; not quibs. Therefore, putting the given values into the above formula and calculate the surface tension as follows. Your Answer: Question 4 options: Answer, Which of these would best describe the difference between an experiment and a field study? non metal which shows reducing properties. Calculate the surface tension of water at 20 °C given that at that temperature water climbs to a height of 4.96 cm in a clean glass capillary tube of internal radius 0.300 mm. The sufrace tension and vapour pressure of water at 20°C is 7.28×10 –2 Nm –1 and 2.33×10 3 Pa, respectively. In the field study, it is easier to control the variables than in an experiment. Experiments are always done by professional scientists while field Its density is :$(R = 8.3\,J\,mol^{-1}K^{-1}$). C) The surface tension and vapour pressure of water at 20°C is 7.28 × 10-2 N m-1 and 2.33 × 103 Pa respectively. experiment. The amount of fossil fuels formed is much less than the amount used experiments can be done by anyone. In the field study, it is much harder to control variables than in an Your IP: 211.14.175.44 The solids which have negative temperature coefficient of resistance are : The energy equivalent of 0.5 g of a substance is: The Brewsters angle $i_b$ for an interface should be: Two cylinders A and B of equal capacity are connected to each other via a stop cock. Submit What is the radius of the smallest spherical water droplet which can form without evaporating at 20°C? This site is using cookies under cookie policy. The radius of the smallest spherical water droplet which can form without evaporating at 25°C is 3 3 × 1 0 3 Pa respectively The radius of the smallest spherical water droplet which can form without evaporating at 2 5 o C … The radius of the smallest spherical water droplet which can form without evaporating at 25°C is, A bucket of water contain a wooden block floating in water with(4/5)th of its volume sub merged in the water. Another way to prevent getting this page in the future is to use Privacy Pass. Theprocessis: A screw gauge has least count of 0.01 mm and there are 50 divisions in its circular scale. Round your answer to the nearest tenth (one decimal place). • Which statement best compares the amount of fossil fuels formed each year to the amount used each year? Cloudflare Ray ID: 5f7bcf467a47db24 d studies. Surface tension allows insects (e.g. of the two ionic species? What is the gravitational force on it, at a height equal to half the radius of the earth? …, how many neutrons make up one of these potassium atoms?. Given: The contact angle of water and clean glass is 0° and the density of water at 20 °C is 998.2 kg/m3 . You measure the initial rate of an enzyme reaction as a function of substrate concentration in the presence and absence of an inhibitor. Given: The contact angle of water and clean glass is 0° and the density of water at 20 °C is 998.2 kg/m3 . 5. If the flow is stream lined then Reynold tiumher is less than, Water flows through a horizontal pipe of radius 'r' at a speed V. If the radius of the pipe is doubled, the speed of flow of water under similar conditions is, A liquid is under strram lined motion through a horizontal pipe o f nonuniform cross section. ---------------------------, ⦁ An element has 3 isotopes. The phase difference between displacement and acceleration of a particle in a simple harmonic motion is: A cylinder contains hydrogen gas at pressure of Calculate the surface tension of water at 20 °C given that at that temperature water climbs to a height of 4.96 cm in a clean glass capillary tube of internal radius 0.300 mm. O The amount of fossil fuels formed is exactly water striders), usually denser than water, to float and slide on a water surface. Type only the number; not the number and unit. Surface tension is caused by the inward attraction of molecules at a boundary. Nonetheless, you obtain 75 quibs of a substan Experiments are much more important to science than fiel A body weighs 72 N on the surface of the earth. 249 kPa and temperature $27^\circ\,C$. Calculate the rel If you are on a personal connection, like at home, you can run an anti-virus scan on your device to make sure it is not infected with malware. Next …, the same as the amount used. You can specify conditions of storing and accessing cookies in your browser. • The difference in water surface … …, ce called skvarnick. A contains an ideal gas at standard temperature and pressure. The bucket is placed on the floor of a lift and the lift now starts moving down with uniform accleration. The surface tension in a soap bubble of 50 mm diameter with its inside pressure being 2.5 N/m2 above the atmospheric pressure is (a) 0.0125 N/m (b) 0.0156 N/m (c) 0.2 N/m (d) 0.0312 N/m 19. A) Completing the CAPTCHA proves you are a human and gives you temporary access to the web property. Surface Tension - Liquids surface tension - water, mercury, oils and more; Surface Tension of Water in contact with Air - Surface tension of water in contact with air for temperatures ranging 0 to 100 o C (32 to 212 o F) - in imperial units (BG units) and SI units; Weber Number - Introduction to the Weber Number baby2690 is waiting for your help. Give your answer to one decimal placemass number 24 percentage abundance: 79.2, 4.The table shows the results of tests on an aqueous solution of compound X What is X?, Write the condensed electron configurations for the follow- ing atoms and indicate how many unpaired electrons each has: (a) Mg, (b) Ge, (c) Br, (d) V